'The O.C.' Cast: Where Are They Now? (PHOTOS)
To honor this occasion, we're taking a look back at her former co-stars to find out what they've been up to since The O.C. went off the air in 2007.
Need a refresher on what happened to Mischa Barton, Benjamin McKenzie and Adam Brody? Click through our gallery for all of the latest post-O.C. updates.