Birth Name: Katherine Evelyn Anita Cassidy Born On: November 25, 1986 Born At Los Angeles, California, USA Height: 5' 7'' Nationality American Profession Actress, Musician Claim to fame Her recurring role as Zoe on WB's family drama 7th Heaven (2005)   Katherine Evelyn Anita Cassidy (born November 25, 1986) is an American singer and actress.

She is the daughter of 70's pop idol, David Cassidy and former model, Sherry Benedon. Cassidy was born in Los Angeles, California and grew up in Calabasas, California, where she now currently lives with her mother, stepfather Richard, and half-sisters Jenna and Jamie.

As a child, Cassidy took gymnastics and eventually became a cheerleader for the California Flyers, a competitive team. She cheered as a freshman for Calabasas High School where she attended classes. As a teenager, Cassidy became interested in show business. She took acting, singing and dance lessons and despite her father's disapproval, she landed a deal with Artemis Records to cover his 70's hit, "I Think I Love You." However, her cover failed to attract a large number of fans or a record deal, but Cassidy was able to land a role in Bubblegum Babylon, VH1's TV special on pop idols and the music business to help promote her singing career. While she was still signed with Artemis Records, she was introduced to the popular boy band, Dream Street. This is where she first met Greg Raposo, whom she dated for a few months in 2002. She also met her current boyfriend, Jesse McCartney, there.

After her stint in the music business, Cassidy turned to modeling. She modeled for Abercrombie and Fitch and Guess?'s Rock and Republic line in 2004. She reportedly has plans to continue her modeling in the future. Modeling helped open the door to Cassidy's acting career. She landed a number of jobs, including a recurring role as Zoe on 7th Heaven, where she has appeared several times. Following that, she appeared in the one-hour drama, Sex, Love & Secrets but the series was cancelled after a few episodes. Her 2006 projects include the horror remake When a Stranger Calls and she is scheduled to star in another horror remake, the murderous Christmas classic Black Christmas. The film is due to be released towards the end of 2006. Other projects for 2006 include Click, starring Adam Sandler, Walk the Talk, with Cary Elwes and Illeana Douglas, and You Are Here with Bijou Phillips. She recently beat out the likes of Jessica Simpson and Kristin Cavallari for the role of Lucy Ewing in the big-screen remake of Dallas, with Jennifer Lopez, and John Travolta.

Media Sources recently reported that Katie turned down the role of sultry,sexy spoiled, persuasive Lucy Ewing in the upcoming Dallas when she heard superstar Christina Aguilera was also offered the role citing " I love this role and could be a breakout role but Christina Aguilera is perfect for the role "