Eminem

14 Celebrities Over 35 Who Could Totally Pass for 18

Someone has got to steal the anti-aging potion from this guy! Look at him: the 44-year-old rapper looks exactly like he did 18 years ago when he released his album The Slim Shady LP and became internationally famous.

Gwen Stefani

14 Celebrities Over 35 Who Could Totally Pass for 18

How old do you think the former member of No Doubt is? Are you sitting down? She’s 47. Yes. 47.