Catherine Ann "Kate" Bosworth (born January 2, 1983) is an American actress. Bosworth starred in the television series Young Americans, in which she played Bella Banks. She became known with a leading role in 2002's Blue Crush. The following year, Bosworth played the teenage girlfriend of porn star John Holmes in Wonderland opposite Val Kilmer. In 2004, she portrayed Sandra Dee in Kevin Spacey's Beyond the Sea. Bosworth since appeared in several notable films, including Superman Returns (2006), where she played Lois Lane, and 2008's blackjack drama film 21. In 2008, she became both Calvin Klein Jeans newest model and spokeswoman for Coach newest luxury bags.
Bosworth was born January 2, 1983 in Los Angeles, California, the only child of Patricia (née Potter), a homemaker, and Harold Bosworth, a former executive for Talbots. After leaving San Francisco at the age of six, Bosworth's family frequently moved around the country because of her father's job. She grew up mainly on the East Coast, spending the rest of her youth in Massachusetts and Connecticut.
Bosworth has always been interested in a professional career as a competitive horse racer and, by the age of fourteen, she was a champion equestrian. While attending Cohasset High School from which she graduated in 2001, Bosworth learned to speak French and was a member of the National Honor Society; she also played varsity soccer and lacrosse.