Have you ever stopped dead in your tracks after finding out a celebrity's age? Let's be honest, some stars just appear older than they actually are. It could be because they've been around forever (Britney Spears) or because they have an old soul (Adele) — whatever the case may be, their real ages always surprise us.

MUST READ: 11 Celebs Who Haven't Aged in 10 Years

Click through the gallery to see celebs who are not as old as you thought.