Much like Carrie Underwood, the SexyBack showed off his baby supporting a local sports team. Baby Silas seems content while wearing a blue Memphis Grizzlies jersey, the basketball team playing against the Portland Trail Blazers in the first NBA playoffs. Meanwhile, his beaming mama looks up in wonder as she holds their baby.
Timberlake, who was born and raised in Memphis, captioned the photo: "The Timberlakes are ready!!! GO GRIZZ! #GritNGrind #Playoffs #BabyGrizzROAR"
There's no doubt Justin and Jessica are on their way to be the most-relaxed parents of the year!
Justin and Jessica weren't the only parents to introduce their baby officially this past weekend -- Nick and Vanessa Lachey also shared a sweet family portrait that showed their daughter, Brooklyn Elizabeth, born earlier this year.
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Sherry Huang is a Features Editor for Parents.com. She loves collecting children's picture books and has an undeniable love for cookies of all kinds. Her spirit animal would be Beyoncé Pad Thai. Follow her on Twitter @sherendipitea.