Due date: Kate Middleton and husband Prince William welcomed a baby boy, George Alexander Louis, on July 22, 2013.
Best known for: Catherine 'Kate' Middleton became the Duchess of Cambridge following her marriage to Prince William, Duke of Cambridge after a near-decade long relationship. The couple got married in London's Westminster Abbey on April 29, 2011 to an audience of about 300 million people worldwide.
Baby's daddy: Prince William, Duke of Cambridge. He is the grandson of Queen Elizabeth II and the son of Prince Charles of Wales and the late Princess Diana of Wales. He is second in line to the British throne.
Memorable maternity moment: The duchess's pregnancy was announced by St. James's Palace on December 3, 2012, following her visit to a London hospital for hyperemesis gravidarum, a severe form of morning sickness. The announcement prompted a frenzy of congratulations on social media from people worldwide excited about the #royalbaby news.
Due date: Kim Kardashian and boyfriend Kanye West welcomed a baby girl, North West, on June 15, 2013.
Best known for: She first gained notoriety as the subject of a sex tape that led to a settlement of $5 million. Today, she's most famous for starring in E! reality television series Keeping Up with the Kardashians with her family. The network will air the 8th season of the popular show in 2013. She is also a successful businesswoman and co-owns fashion boutique chain DASH with two sisters Khloé and Kourtney. In 2011, Kardashian made headlines again by marrying basketball player Kris Humphries in a widely publicized wedding. She famously filed for divorce 72 days later. The divorce was still not finalized at the time of her pregnancy announcement in late 2012.
Baby's daddy: Boyfriend and rapper Kanye West. The couple were friends for nearly a decade before they started dating in 2012. This will be their first child together.
Memorable maternity moment: West surprised fans with the baby announcement at a December 30, 2012 concert in Atlantic City, N.J. With Kardashian in the audience, he stopped mid-performance to tell the crowd to, "make noise for my baby mama." Kardashian has publicly expressed her desire to have children in the past. In a September 2012 appearance on The View, she said, "At the space that I am in life now, kids are definitely something I want."
Due date: Kristen Bell and fiancé Dax Shepard welcomed a baby girl, Lincoln Bell Shepard, on March 28, 2013.
Best known for: Her breakout role as the title character in critically acclaimed TV series Veronica Mars. She later became a character on TV series Heroes, narrated popular CW series Gossip Girl, and starred in Judd Apatow's 2008 comedy Forgetting Sarah Marshall. Bell now stars in Showtime series House of Lies.
Baby's daddy: Actor and comedian Dax Shepard. The couple announced their engagement in January 2010 but refuse to get married until same-sex marriage is legal in California.
Memorable maternity moment: The couple has discussed having children publicly. In an interview with Larry King in August 2012, Bell and Shepard said they'd like to have kids and doing so before marriage would not bother them.
Due date: Shakira and boyfriend Gerard Piqué welcomed a baby boy, Milan Piqué Mebarak, on January, 22, 2013.
Best known for: Her dance-worthy, Latin-inspired music. Some of Shakira's most popular hits include "La Tortura," "Hips Don't Lie," "Whenever, Wherever," and "She Wolf."
Baby's daddy: Boyfriend and soccer player for FC Barcelona, Gerard Piqué. This will be the couple's first child together.
Due date: Holly Madison and boyfriend Pasquale Rotella welcomed a baby girl, Rainbow Aurora, on March 5, 2013.
Best known for: Being a Playboy Playmate and Playboy founder Hugh Hefner's ex-girlfriend. She starred in reality TV series The Girls Next Door, which chronicled the lives of Hefner and his girlfriends in the Playboy mansion.
Baby's daddy: Boyfriend and party promoter, Pasquale Rotella. This will be the couple's first child together.
Memorable maternity moment: Madison told People in June, a few months before her pregnancy announcement, she planned to have kids in her future. "I've wanted kids and that's something I'm definitely doing as soon as possible," she said.
Due date: Lisa Ling and husband Paul Song welcomed a baby girl, Jett Ling, on March 8, 2013.
Best known for: Ling is an American journalist. She hosts documentary series Our America with Lisa Ling on OWN: The Oprah Winfrey Network. She is a former co-host of The View and National Geographic Explorer and has served as a CNN special correspondent.
Baby's daddy: Physician and biotech firm vice president Paul Song. This will be the couple's first child together.
Memorable maternity moment: Lisa Ling revealed her pregnancy -- and a sonogram of the baby girl -- on good friend Anderson Cooper's daytime talk show, Anderson Live, in mid-October 2012. It was great news for the married couple; Ling suffered a miscarriage in 2010.
Due date: Beverley Mitchell and her husband Michael Cameron welcomed a baby girl, Kenzie Lynne Cameron, on March 28, 2013.
Best known for: Her role as Lucy on the long-running TV drama 7th Heaven. Since the show's series finale in 2007, Mitchell has recorded eponymous country album Beverley Mitchell and now plays school counselor Kaitlin on The Secret Life of the American Teenager.
Baby's daddy: Husband and accountant Michael Cameron. This will be the couple's first child together.
Memorable maternity moment: Mitchell was initially in disbelief when she discovered news of her pregnancy. "I took seven pregnancy tests," she told People. "I went to the doctor and had two more tests and they were like, 'Bev, usually when the first one comes out positive, the rest of them will all say the same thing.'" Soon after, the couple took a babymoon and celebrated their fourth wedding anniversary in Ravello, Italy, where they wed on October 1, 2008.
Due date: JoAnna Garcia and husband Nick Swisher welcomed a baby girl, Emerson Jay, on May 21, 2013.
Best known for: Her role as Cheyenne Hart Montgomery on The CW sitcom Reba. Garcia has also starred in TV shows Privileged, Gossip Girl, and Better With You.
Baby's daddy: Husband and baseball player Nick Swisher. This will be the couple's first child together.
Memorable maternity moment: Garcia announced the special news on Twitter on November 12, 2012. She tweeted: "So happy to finally be able to share our news! @NickSwisher & I r expecting our 1st baby in 2013! Feeling so blessed & beyond excited!"
Due date: Hillary Scott and husband Chris Tyrell welcomed a baby girl, Eisele Kaye, July 22, 2013.
Best known for: One of three singers in country group Lady Antebellum. The group formed in 2006; their first album, self-titled Lady Antebellum, reached number one on the Billboard Top Country Albums chart. They've won multiple accolades, including seven Grammys -- one for Best Country Album in 2012.
Baby's daddy: Husband and drummer, Chris Tyrrell. The couple met in college but reconnected when they performed as opening acts for Tim McGraw's Southern Voice tour in 2010. They wed on January 7, 2012. It will be the couple's first child together.
Memorable maternity moment: On December 7, 2012, Scott made the baby announcement on Twitter: "Chris & I are excited to announce that our Christmas gift has arrived a little early this year! We are having a BABY! We feel so blessed!!!"
Due date: Busy Philipps and husband Marc Silverstein welcomed a girl, Cricket Silverstein, on July 2, 2013.
Best known for: Philipps is known for her supporting roles on popular television series Freaks and Geeks and Dawson's Creek. She's made appearances in such movies as He's Just Not That into You and Made of Honor, and currently stars in television series Cougar Town for which she won a Critic's Choice Television Award for best supporting actress in a comedy series.
Baby's daddy: Husband and screenwriter Marc Silverstein. The couple wed in 2007 and have a 4-year-old daughter together, Birdie Leigh.
Memorable maternity moment: Philipps shared the exciting news about her second child by posting a picture of her positive pregnancy test on Twitter in early December 2012.
Due date: Jenna Bush Hager and husband Henry Hager welcomed a baby girl, Margaret Laura, on April 13, 2013.
Best known for: Bush Hager is the daughter of 43rd U.S. president George W. Bush and former first lady Laura Bush. She is currently an editor-at-large for Southern Living magazine, and an NBC Today show correspondent.
Baby's daddy: Husband Henry Hager. The couple met during George W. Bush's 2004 presidential campaign and wed in May 2008. This will be the couple's first child together.
Memorable maternity moment: Bush Hager announced her pregnancy on the Today show in early December 2012. Her parents called in to the show to express their excitement; former president Bush said he was "fired up" about the baby news.
Due date: Jessica Simpson and fiance Eric Johnson welcomed a son, Ace Knute Johnson, on June 30, 2013.
Best known for: Since first breaking into the pop music scene in the late 1990s, Simpson has achieved seven Billboard Top 40 hits. Nowadays, she is most well known for her successful clothing line and her fluctuating weight. Simpson signed a multimillion dollar deal with Weight Watchers after the birth of her first child but will reportedly take a break from the program until after her second pregnancy.
Baby's daddy: Fiancé and former NFL player Eric Johnson. The couple welcomed their first daughter, Maxwell Drew, on May 1, 2012.
Memorable maternity moment: A source leaked news of Simpson's second pregnancy in November 2012, but the official announcement was made via Twitter on Christmas Day. Simpson tweeted a picture of 7-month-old Maxwell Drew on the beach with "big sis" written in the sand.
Due date: Lily Allen and husband Sam Cooper welcomed a baby girl, Marnie Rose, on January 8, 2013.
Best known for: Allen's first single, "Smile," gave the British pop star international recognition in 2006. Her debut album Alright, Still led to Grammy, BRIT Awards, and MTV Video Music Awards nominations.
Baby's daddy: Husband and businessman, Sam Cooper. Married in June 2011, they have an 8-month-old daughter, Ethel Mary.
Memorable maternity moment: Allen has unfortunately suffered two miscarriages while in the public eye: the first in 2008 with then boyfriend Ed Simons and the second in 2010 with Cooper.
Due date: Sally Pressman and husband David Rogers welcomed a baby boy on April 10th, 2013.
Best known for: Her role as Roxy LeBlanc in Lifetime Television series Army Wives.
Baby's daddy: Husband and actor, David Rogers. The couple has been married since September 2011, and this will be their first child together.
Due date: Evan Rachel Wood and husband Jamie Bell welcomed a baby boy on July 29th 2013.
Best known for: In 2003, Wood gained recognition for her controversial role in teen drama Thirteen, for which she earned a Golden Globe nomination for best actress. Since then she's starred in such films as Across the Universe, The Wrestler, and The Ides of March. Wood has also appeared in television series True Blood and HBO miniseries Mildred Pierce, for which she won an Emmy Award for Best Supporting actress in 2011.
Baby's daddy: Actor and husband Jamie Bell. They met in 2005, on the set of Green Day's "Wake Me Up When September Ends" music video. After breaking up in 2006, they rekindled their relationship in 2011 and were married in 2012. This will be the couple's first child together.
Memorable maternity moment: In November 2012, Wood took to Twitter to deny pregnancy rumors. On January 11, 2013, she tweeted "Remember when I said, 'No baby on the way here?' Well, I didn't know there actually was!" and tweeted a picture of a pregnancy book cover.
Due date: Poppy Montgomery and boyfriend Shawn Sanford welcomed a baby girl, Violet Grace Devereux Sanford, on April 22, 2013.
Best known for: Her role on police television drama Without a Trace, which ran from 2002 to 2009. She currently stars in CBS crime series Unforgettable.
Baby's daddy: Boyfriend and Microsoft executive, Shawn Sanford. This will be their first child together. Montgomery has a five-year-old son, Jackson, from her previous relationship with actor Adam Kaufman.
Due date: Malin Akerman and her husband Roberto Zincone welcomed a baby boy, Sebastian, on April 16, 2013.
Best known for: Her starring roles in films The Heartbreak Kid and 27 Dresses. She also later appeared in Watchmen, The Proposal, and Rock of Ages. Akerman currently appears on ABC sitcom Suburgatory.
Baby's daddy: Husband and The Petalstones drummer, Roberto Zincone. The couple wed in 2007; this will be their first child together.
Due date: Kara DioGuardi and husband Mike McCuddy welcomed a son, Greyson James Carroll McCuddy, on January 31, 2013.
Best known for: Her role as a judge on seasons 8 and 9 of American Idol. DioGuardi has also had a successful songwriting career, having worked with several pop artists like Britney Spears, Christina Aguilera, Jesse McCartney, Pink, and Kelly Clarkson.
Baby's daddy: Husband and general contractor Mike McCuddy. The couple wed in 2009; this will be the couple's first child together.
Memorable maternity moment: This is a happy moment for DioGuardi, who welcomed newborn Greyson via gestational surrogate after years of enduring miscarriages and failed IVF treatments. On her surrogate: "She's given us an incredible gift," DioGuardi told People.
Due date: Penelope Cruz and husband Javier Bardem welcomed a baby girl, Luna Encinas Cruz, on July 22, 2013.
Best known for: Her roles in critically acclaimed movies, including Vanilla Sky, Blow, Volver, and Nine. Cruz won an Academy Award for Best Supporting Actress for her role in the 2008 film Vicky Cristina Barcelona, and is the first Spanish actress to receive said award and to receive a star on the Hollywood Walk of Fame.
Baby's daddy: Husband and actor Javier Bardem. This will be the couple's second child together. Their first, Leonardo, was born on January 22, 2011.
Memorable maternity moment: In an interview with Vogue after Leonardo's birth, Cruz described her feelings about motherhood: "From the first second, you feel so much love. It is a revolutionary experience. That's the best way I can describe it."
Due date: Jamie Lynn Sigler and fiance Cutter Dykstra welcomed a baby boy, Beau, on August 28, 2013.
Best known for: Her role on HBO television drama The Sopranos. She currently stars on NBC sitcom Guys with Kids.
Baby's daddy: Fiancé and professional baseball player, Cutter Dykstra. This will be the couple's first child together.
Due date: Stacy Ferguson and Josh Duhamel welcomed a baby boy, Axl Jack Duhamel, on August 29th 2013.
Best known for: Her role as lead singer of popular music group The Black Eyed Peas.
Baby's daddy: Husband and actor Josh Duhamel. This will be the couple's first child together.
Due date: Ali Landry and husband Alejandro Monteverd welcomed a baby boy, Valentine Franceso, on July 11th 2013.
Best known for: Winning the 1996 Miss USA pageant. Landry went on to have a successful modeling and acting career.
Baby's daddy: Husband and film director Alejandro Gomez Monteverde. This will be the couple's third child together.
Due date: Jenna Wolfe and partner Stephanie Gosk welcomed a baby girl, Harper Estelle, on Aug. 21, 2013.
Best known for: Her role as NBC Today Show correspondent and weekend news anchor.
Baby's parent: Partner and fellow NBC News correspondent Stephanie Gosk.
Memorable maternity moment: Wolfe both came out publicly with Gosk and broke the news that they're expecting a baby girl on the Today show, on March 27, 2013. The couple also plans to get married, People magazine reported.
Due date: Amanda Beard and husband Sacha Brown welcomed a baby girl, Doone Isla, on June 19, 2013.
Best known for: Being a world-class swimmer. Beard made her Olympic debut when she was only 14 and has been back three times since. She has won two gold, four silver, and one bronze metals.
Baby's daddy: Photographer Sacha Brown. This will be their second child together. Their first, Blaise Ray, is 3.
Due date: Tamar Braxton and husband Vincent Herbert welcomed a baby boy, Logan, on June 6, 2013.
Best known for: Being the youngest sister in the musically-talented Braxton clan. Tamar currently stars in Braxton Family Values and Tamar & Vince.
Baby's daddy: Record executive Vince Herbert. This will be their first child together.
Due date: Halle Berry and husband Olivier Martinez welcomed a baby boy, Maceo Robert, on October 5, 2013.
Best known for: Her Oscar-worthy acting. Berry has starred in Monster's Ball, Catwoman, and the X-Men series. X-Men: Days of Future Past comes out next year.
Baby's daddy: Actor Olivier Martinez. This will be their first child together. Berry's daughter, Nahla, is from her previous relationship with Gabriel Aubry.
Memorable maternity moment: A rep for Berry, 46, aimed to quiet any rumors that she had help getting pregnant. "This happened naturally -- everyone is really happy," he told People magazine.
Due date: Maya Rudolph and husband Paul Thomas Anderson welcomed a baby in September 2013.
Best known for: Her hilarious performance in Bridesmaids. Rudolph was also a Saturday Night Live cast member from 2000-2007 and has come back to do guest appearances.
Baby's daddy: Director Paul Thomas Anderson. This is their fourth child together. Their other children include Lucille, 3 1/2, Pearl, 7, and Jack, 21 months.
Memorable maternity moment: Last summer, Rudolph announced that she was done after three children, but it didn't take long for her to change her mind. "It's like that light pen thing they do in Men in Black. Someone just went like that and I was like, 'I don't know what you're talking about. I'm going to do this again!'," Rudolph told People magazine.
Due date: Monica and Shannon Brown welcomed a baby girl, Laiyah Brown, on September 3, 2013.
Best known for: Her Grammy-winning duet "This Boy is Mine" with Brandy. Fourteen years later, Monica is still writing and singing R&B songs such as "Love All Over Me."
Baby's daddy: Phoenix Suns guard Shannon Brown. This will be their first child together. Monica has two sons, Rocko, 8, and Romelo Montez, 5. Brown is already dad to son Shannon Christopher.
Due date: Ivanka Trump and husband Jared Kushner welcomed a baby boy, Joseph Frederick Kushner, on October 14th 2013.
Best known for: Her top executive role at The Trump Organization. Trump is also a judge on Celebrity Apprentice.
Baby's daddy: New York Observer owner Jared Kushner. This will be their second child together. Their first, Arabella Rose, is 20 months.
Due date: Rachael Leigh Cook and husband Daniel Gillies welcomed a baby girl, Charlotte Easton Gillies, on September 29th 2013.
Best known for: Starring alongside Freddie Prinze Jr. in She's All That. Cook currently plays FBI Agent Kate Moretti in the TNT drama Perception.
Baby's daddy: Vampire Diaries actor Daniel Gillies. This will be their first child together.
Due date: Jamie King and husband Kyle Newman welcomed a baby boy, James Knight, on October 6, 2013.
Best known for: Playing Southern belle Lemon Breeland in the CW hit Hart of Dixie. King also acted in Pearl Harbor and My Bloody Valentine 3D, among other movies.
Baby's daddy: Filmmaker Kyle Newman. This will be their first child together.
Due date: Heather Morris and boyfriend Taylor Hubbell welcomed a baby boy, Elijah, on September 28th 2013.
Best known for: Playing cheerleader Brittany S. Pierce on Glee. Last year, she starred in the movie Spring Breakers.
Baby's daddy: Boyfriend Taylor Hubbell. This will be their first child together.
Due date: Kate Winslet and husband Ned Rocknroll welcomed a baby boy on December 7, 2013.
Best known for: Her captivating performances in Titanic and Eternal Sunshine of the Spotless Mind.
Baby's daddy: Husband Ned Rocknroll. This will be their first child together. Winslet is already mom to daughter Mia, 12, and son Joe, 10.
Memorable maternity moment: Winslet told InStyle in 2006, "I'm hoping to have more kids. I don't know whether one or two. Oh, God, I would love to have more."
Due date: Jennifer Love Hewitt and husband Brian Hallisay welcomed a baby girl, Autumn James Hallisay, on November 26, 2013.
Best known for: Playing a single mom desperate for money in Lifetime's hit series The Client List. Hewitt also starred in I Know What You Did Last Summer and Can't Hardly Wait.
Baby's daddy: Client List co-star Brian Hallisay. This is their first child together.
Due date: Morena Baccarin and husband Austin Chick welcomed a baby boy, Julius, on October 22, 2013.
Best known for: Starring in the hit Showtime series Homeland. Baccarin was also named one of People Magazine's 2013 Most Beautiful.
Baby's daddy: Director/Writer Austin Chick. This is their first child together.
Due date: Kim Zolciak and husband Kroy BIermann welcomed a baby boy, Kane Ren, and a baby girl, Kaia Rose, on November 25, 2013.
Best known for: Causing drama on the Bravo TV hit Real Housewives of Atlanta. Zolciak now has her own spinoff series Don't Be Tardy.
Baby's daddy: Husband and Atlanta Falcons defensive end Kroy Biermann. The couple already has two sons together, KJ, 2, and Kash, 9 months. Zolciak also has two daughters, Ariana and Brielle, from a previous relationship.
Memorable Maternity Moment: In April, Zolciak hinted to Us Weekly that she wasn't done having kids. "I think we'll have one more. We'll see. When people [used to tell me] they had four kids, I'd be like, 'Four kids! Whoa!' And now that's me. Who would've thought?"
Due date: Michelle Monaghan and husband Peter White welcomed a baby boy, Tommy Francis White, on November 2, 2013.
Best known for: Starring opposite Jake Gyllenhaal in Source Code. The busy actress has three movies coming out this year: Better Living Through Chemistry, Fort Bliss and A Many Splintered Thing.
Baby's daddy: Husband Peter White. This is their second child together. Their daughter, Willow Katherine, is 4 1/2.
Due date: Rachel Zoe and husband Roger Berman welcomed a baby boy, Kaius Jagger, on December 22, 2013.
Best known for: Being a celebrity fashion guru. The stylist-turned-designer also stars in the Bravo show The Rachel Zoe Project.
Baby's daddy: Husband Roger Berman. This is their second child together. Their son, Skyler Morrison was born in March 2011.