Get the scoop on the hottest celebrity baby bumps of 2011, including Kate Hudson, Mariah Carey and Natalie Portman.
Mariah Carey
Due date: The couple welcomed twins on their third anniversary: April 30, 2011. The baby girl was born first, weighing 5 lbs. 3 oz., and was 18 inches long. Her brother weighed 5 lbs. 6 oz., and was 19 inches long.
Best known for: Her immensely successful singing and songwriting career, including 18 number one singles and five Grammy Awards.
Baby's daddy: Nick Cannon, a comedian, actor, rapper and TV and radio personality. He currently hosts TV show America's Got Talent.
Memorable maternity moment: After months of speculation, Mariah announced her pregnancy on Access Hollywood, also revealing that she had a miscarriage two years ago. Then, after even more speculation, husband Nick confirmed on his radio show that she is carrying twins. He told listeners that Mariah ran into Barack and Michelle Obama while performing on Christmas in Washington 2010, and when the President and First Lady asked her if it was twins, she just couldn't help but reveal the news.