Emma Watson Emma Watson

Emma Watson is working hard at shedding her good girl image and what better way to do than to channel everyone's favorite prostitute: Julia Robert's hooker with a heart of gold in Pretty Woman!

Wearing a dress similar to the one Roberts wore in the 1990 classic, Watson shows off lots of skin — and a stomach tattoo!

Photos: Child stars who grow up — and strip down!

Watson's rebellious new look goes along with her upcoming film The Bling Ring, in which the Harry Potter actress plays the leader of a group of celebrity-robbing teens.Check out Watson in the trailer for The Bling Ring below.