Happy Birthday Mischa Barton!

A big Happy Birthday to Mischa Barton – who’s 26 today! The stunning O.C. and Sixth Sense actress has been busy working on a long list of new films and is sure to be returning to the red carpet soon. She’s starring in five flicks in 2012, as well as working on her Mischa handbag range and plans to open London based boutique Mischa’s Closet in 2012 – so she’s got plenty to celebrate for her birthday. We can’t wait to see what she wears for her 26th! AT

Scroll down to see the best dressed celebs of the weekend in our fashion review