Rachel Bilson

Bill Hader and Rachel Bilson made their red carpet debut as a couple at the 2020 Golden Globe Awards.

Catch up with your favorite teen TV stars from the 2000s.

New (potential) couple alert!

The 2000s had some pretty questionable celebrity fashion moments.

'The O.C.' alum Rachel Bilson said she puts aside her anger with Hayden Christensen to focus on daughter Briar Rose.

California, here we cooooome!

Find out what the core cast of 'The O.C.' -- including Ben McKenzie, Mischa Barton, Rachel Bilson, Adam Brody and more -- is up to now.

These famous couples discovered romance on set, and it lasted well after they shot their last scenes together.