Kristen Stewart - Kids' Choice Awards 2012 Winner!

Kristen Stewart looks refreshing in bold blue at the 2012 Kids Choice Awards held at the USC Galen Center in Los Angeles on Saturday afternoon (March 31).

The 21-year-old actress won FAVORITE MOVIE ACTRESS. Her character Bella Swan has been turning heads ever since she fell for Edward Cullen!

PHOTOS: Check out the latest pics of Kristen Stewart

The 2012 Kids Choice Awards air live tonight, Saturday, March 31st at 8PM ET/PT on Nickelodeon.

FYI: Kristen wore a blue lace dress with long sleeves and blue silk belt from Stella McCartney‘s London Evening Collection, Fall 2012. She finished off her look with Barbara Bui heels.