Related Information for Kat Graham Katerina "Kat" Alexandre Graham (born September 5, 1989) is an American actress, singer, dancer, and model. She has appeared in numerous television shows and film productions, as well as music videos. In 2009, she began appearing in a supporting role as Bonnie Bennett in The CW television network show, The Vampire Diaries.Graham was born in Geneva, Switzerland and raised in Los Angeles, California. Her father, Joseph, is Liberian and her mother, Natasha, is Jewish (of half Russian and.. read more