Happy 21st Birthday, Kristen Stewart!

Take a look back at the Twilight star's changing style as she turns 21 today

OMG, Kristen Stewart turns the big 2-1 today!

The actress has come a long way on the red carpet since she took those first super awkward steps to mega-movie stardom at the Twilight premiere back in 2008.

Let's celebrate K.Stew's major milestone by looking back at her metamorphisis from reluctant fashionista to vampy glamour girl in our Fashion Spotlight: Kristen Stewart gallery!