Can you guess who the girl on the left is?  It’s actually not that easy at first glance but let’s just say she’s one of the hottest celebrities on the planet right now.  And yes, it’s Mila Kunis.

So when it comes to celebrities it’s certainly not just Kunis that has transformed and become a “new” person.  There are 20 others with before and after pictures that are worthy.

Check out the rest after the jump…..

Thanks to Buzzfeed for these

Alyssa Milano

Billy Zane

Brad Pitt

Johnny Depp

Drew Barrymore

Gwen Stefani

Halle Barry

Hilary Swank

Julia Roberts

Justin Timberlake