Justin Timberlake, Ryan Reynolds and more famous parents celebrate Father's Day on social media

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Happy Father's Day!

Justin Timberlake made us squeal this morning when he shared an adorable photo of himself cradling his son Silas.

"FLEXIN' on Fathers Day...#HappyFathersDay to ALL of the Dads out there from the newest member of the Daddy Fraternity!!" the singer wrote on Instagram.

FLEXIN' on Fathers Day... #HappyFathersDay to ALL of the Dads out there from the newest member of the Daddy Fraternity!! --JT

A photo posted by Justin Timberlake (@justintimberlake) on

WATCH: Justin Shares First Photo of Silas

Can you handle the sweet sentiment and that adorable little heart on Silas' onesie?! It says "I heart dad!" We literally can't even.

Ryan Reynolds and Blake Lively are also first time parents, and they both got cheeky with silly but sweet messages celebrating fatherhood and their little girl.

PHOTOS: Adorable Celeb Dads

Justin and Ryan aren't the only proud papas excited to celebrate Father's Day. Their fellow Hollywood parents are also sharing family photos and lovely messages:

Happy Father's Day!!!! We love you!!! ❤️❤️❤️ Feliz dia dos pais!!! Nós te amamos!!!

A photo posted by Gisele Bündchen (@giseleofficial) on

" Lead with Love " the perfect Father's Day gift ❤️❤️❤️❤️

A photo posted by David Beckham (@davidbeckham) on

Nothing better than this! Fly kites with you children... #FathersDay #Cannons #Love

A photo posted by Nick Cannon (@nickcannon) on

Happy Father's Day @nickcannon!! Love, Roc & Roe

A photo posted by Mariah Carey (@mariahcarey) on

PHOTOS: Nick Cannon Sends Mariah Carey a Mother's Day Card

Happy Father's Day 💝💝💝 @rogermathewsnj

A photo posted by Jenni JWOWW (@jwoww) on

PHOTOS: 13 Celeb Dads Who Said the Sweetest Things About Their Kids

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