But not all evil! Which Oz, The Great And Powerful star is playing the young magicienne who will one day go very green? A source has revealed the answer to us!
So what is this secret source? We'll give you a hint- it's always full of the hottest stuff!
Well, let's just call it Deep Cup.
OK, it's a cup- actually a coffee mug- for sale at the Disney store to commemorate the movie's release.
Ch-ch-check out the pics (below) to see the movie star mug shot for yourself!
It's Mila! She may have a prosthetic nose and chin, but there's no mistaking the eyes of 2012's Sexiest Woman Alive!
Way to bring the bad, girl!
[Image via Mr. Blue/FayesVision/WENN.]