Rachel Bilson is an American actress. After growing up in a California show business family, she made her television debut in 2003 and subsequently became well-known for playing Summer Roberts on the prime time dramedy series The O.C. Bilson made her film debut in the 2006 film The Last Kiss and will star in the 2008 thriller Jumper.
Bilson began dating her The O.C. co-star, Adam Brody, in 2003. In 2005, Brody gave Bilson a pit bull, Penny Lane, as a birthday present. The couple later adopted another dog, Thurmen Murmen. The two split in November 2006.