Before this cool kid in his swaggy jacket turned into an actor and TV host, he was just a Cali kid growin' up by the beach with his sister, dancing from age 3, and flippin' into his dreams of becoming a super star.

His early dance experience includes tap and jazz, but he also threw a sucker punch like no other -- and still does to this day! He rose to fame on the teen sitcom "Saved By The Bell," and he's also done some Broadway.

Need one more clue? He co-hosted "The X Factor" with Khloe Kardashian.