Katerina Alexandre Hartford “Kat” Graham (born September 5, 1989) is a Swiss-born American actress, model, singer and dancer.
Her film roles include The Parent Trap (1998), 17 Again (2009), The Roommate (2011) and Honey 2 (2011). She is known for her role as Bonnie Bennett on The CW supernatural drama The Vampire Diaries.
In 2002, Graham made her television debut on the Disney Channel teen sitcom Lizzie McGuire. Graham went on to appear on various television shows, including CSI: Crime Scene Investigation, The O.C., Malcolm in the Middle, Joan of Arcadia, Grounded For Life and Greek. In 2008, she appeared in three episodes of the Disney Channel sitcom Hannah Montana playing the role of a girlfriend to the character Jackson Stewart. Graham has also had notable supporting roles in films such as 17 Again and The Roommate. In December 2008, Graham began filming sci-fi dance film Boogie Town in Los Angeles. Filming on the film was put on hold that same month due to payroll issues with background performers. In April 2009, principal photography was stopped due to schedule conflicts with some of her cast mates and other projects. The film is set in a futuristic New York City in 2015 where dance battles are permanently banned. Graham plays the role of Ingrid. The film was set to be released in theaters worldwide October 2011, however it was set to be originally released in June 2009. In March 2009, Graham was cast in The CW supernatural drama The Vampire Diaries based on the book series of the same name. Graham portrays the role of Bonnie Bennett, a teenage witch, which is considered her breakout role. The series premiered on September 10, 2009 to 4.91 million viewers and received praise for the series progression from critics. In May 2012, the series was renewed for the shows fourth season. She took over as the female lead in 2015 after Nina Dobrev departed. In 2011, Graham won “Scene Stealer Female” at the Teen Choice Awards for her role on the show. In August 2010, The Hollywood Reporter announced Graham was cast in the Universal Pictures dance drama film Honey 2. The film is a sequel to the 2003 film Honey. The film follows a troubled teenager and aspiring dancer who joins a dance crew. The film was released theatrically in selected countries for a limited release and went on to make over $8 million worldwide. In June 2011, the film was released Straight-to-DVD in North America to negative reviews from critics though Graham’s performance and dancing was praised. That same year Graham starred in another Dance film this time a Kung Fu Dance Action film called Dance Fu in which Graham appeared as the female lead. On January 12, 2016, she was cast as Jada Pinkett Smith in the upcoming Tupac biopic All Eyez On Me.