Mischa Barton and Rachel Bilson in The O.C.: Obsess Completely (2004)

Rachel Bilson in The O.C.: Obsess Completely (2004)

Adam Brody and Rachel Bilson in The O.C.: Obsess Completely (2004)

Adam Brody and Rachel Bilson in The O.C.: A Day in the Life (2004)

Eddie Cibrian and Rachel Bilson in Take Two (2018)

Eddie Cibrian, Terri Edda Miller, and Rachel Bilson in Take Two (2018)

Hayden Christensen and Rachel Bilson in Jumper (2008)

Michael Coleman, Elizabeth Olsen, and Rachel Bilson in Drunk History (2013)

John Ritter, Katey Sagal, Kaley Cuoco, Martin Spanjers, and Rachel Bilson in 8 Simple Rules (2002)

Martin Spanjers and Rachel Bilson in 8 Simple Rules (2002)

Danny Bilson, Heather Medway, and Rachel Bilson

Vanessa Hudgens and Rachel Bilson in Drunk History (2013)

Peter Gallagher, Mischa Barton, Adam Brody, Melinda Clarke, Kelly Rowan, Ben McKenzie, and Rachel Bilson in The O.C. (2003)

Jacinda Barrett, Zach Braff, and Rachel Bilson in The Last Kiss (2006)

Peter Gallagher, Adam Brody, Melinda Clarke, Kelly Rowan, Autumn Reeser, Ben McKenzie, Rachel Bilson, and Willa Holland in The O.C. (2003)

Peter Gallagher, Tate Donovan, Mischa Barton, Adam Brody, Melinda Clarke, Alan Dale, Kelly Rowan, Ben McKenzie, and Rachel Bilson in The O.C. (2003)

Peter Gallagher, Tate Donovan, Mischa Barton, Adam Brody, Melinda Clarke, Kelly Rowan, Ben McKenzie, Chris Carmack, and Rachel Bilson in The O.C. (2003)

Casey Affleck, Blythe Danner, Jacinda Barrett, Zach Braff, Tom Wilkinson, and Rachel Bilson in The Last Kiss (2006)