15 Male Celebs Who You Never Knew Went Under the Knife

15. Simon Cowell

This one may surprise you just because it is so well done. Simon Cowell still has a rather natural looking face and one that looks just like his old self. He does receive Botox injections and has been rumored to have his skin pulled around his jaw in order to better define his jawline. Plastic surgery might just work well for him.