3. Willow Smith
Willow gained some star power since she started whipping her hair back and forth at the tender age of 10. She’s a girl with serious style who looks pretty mature for her age, but she’s really only 13 years old!
4. William Shatner
William Shatner, at 83, has been around the Hollywood scene for a long time, but wow, we didn’t know he was that old!