Happy birthday, Willa Holland: Celebrate with her best 'O.C.' Kaitlin Cooper scenes
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.