willa holland birthday the oc Happy birthday, Willa Holland: Celebrate with her best 'O.C.' Kaitlin Cooper scenesToday is Willa Holland’s birthday and while she is a woman who has had many fierce roles, she will always be best remembered as Marissa’s sassy, mischievous sister, Kaitlin Cooper from “The O.C.” to us.

Whether it was to lend an ear, offer some misguided advice or do the unexpected, one thing is certain: Mini Cooper was always there to spice things up. 

Take a look at some of our favorite scenes featuring Willa portraying Kaitlin below.

Warning: Some clips may contain explicit language, so if you are sensitive to that sort of thing, please don’t watch.

Posted by:Sarah Huggins