Kristen Stewart's Glam Style Evolution (PHOTOS)

Kristen Stewart has come a long way since her breakout role opposite Jodie Foster in 2002’s Panic Room. Now best known for falling for the angsty vampire version of real-life boyfriend Robert Pattinson in the Twilight movies, the A-list actress has stepped up her style from quirky-awkward to downright glam.

In honor of the actress’s 23rd birthday today, April 9, click through for a look back at KStew and her maturing fashion sense.