11/15/2011 05:40 pm ET Updated Oct 11, 2012

Maggie Gyllenhaal: Style Evolution (PHOTOS)

Maggie Gyllenhaal has gone from indie queen (remember 2002's "Secretary"?) to screen siren in blockbuster films like 2008's "The Dark Knight." But one thing remains: her quirky-cool aesthetic. Gyllenhaal isn't afraid to experiment with slightly unconventional silhouettes, and often favors asymmetrical dresses.

In honor of the actress' 34th birthday this Wednesday, we've taken a look back at her increasingly sophisticated stylings.

In related news, we're not sure how to feel about Gyllenhaal's tent-like dress.