Happy Birthday Mischa Barton! Remember her back in the days playing Marisa on The O.C? My gawd, she was gorgeous. She perfected the quintessential California girl look — all that naturally gorgeous caramel-blonde foiled hair, minimal makeup, a dash of bronzer and blush. Ah-mazing. Then things started to go a little awry — her locks switched back and forth between blonde, platinum, black and brown and her makeup tended to revolve heavily around black liner and eyeshadow à la Taylor Momsen. However she’s been seen out and about recently, so we’re hoping she’ll be bringing sexy back — stat! Check out her beauty looks from over the years.