Stars celebrate Father's Day with adorable throwback snaps

E! Celebrates Celebrity Dads for Father's Day
E! Celebrates Celebrity Dads for Father's Day

Happy Father's Day!

The stars celebrated all their dads -- from their own fathers, to being a father -- and the pics are epic. This year's collection of photos was all about the throwback snap with stars sharing sweet childhood pics. Katherine Schwarzenegger's snap of a young Arnold, Cindy Crawford's photo of her hubby Rande Gerber with their kiddos, Amy Schumer's summertime 1980s style, were among our favorite dad photos.

Check them all out below: