We all know youthful appearances are pretty much a requirement in Hollywood, but these stars take it to a whole new level. How are they 40 and over?!
Leonardo DiCaprio turned 40 Tuesday, reminding us all that we remember when he was, like, 5 in "What's Eating Gilbert Grape." Speaking of, we all feel a little ripe right now thinking about that.
That said, old is a state of mind, not a number -- and these celebs prove it.
Read more: Ageless & A-List stars: Hotter now or then?