See how these comedians have changed over the years. You may be surprised by some of the transformations.
Rebel Wilson
Tina Fey
Christina Applegate
Rowan Atkinson
Steve Martin
Chris Rock
Leslie Mann
Amy Poehler
Jackie Chan
Terry Crews
Jane Lynch
Ken Jeong
Zach Galifianakis
Ed Helms
Jamie Foxx
Will Ferrell
Jonah Hill
Melissa McCarthy
Whoopi Goldberg
Cameron Diaz