Rachel Bilson is an American actress born on August 25, 1981, in Los Angeles, California. She gained fame for her role as Summer Roberts on the popular television series The O.C., which aired from 2003 to 2007. Bilson has also appeared in various films and TV shows, showcasing her versatility as an actress. In addition to her acting career, Bilson has worked as a producer and has been involved in fashion, often recognized for her stylish appearances. She has starred in other series like Hart of Dixie and has made guest appearances on shows such as How I Met Your Mother.