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), Honey 2 (2011), Addicted (2014) and All Eyez on Me (2017). She is known for her role as Bonnie Bennett on The CW supernatural drama series The Vampire Diaries.
Graham was born in Geneva, Switzerland and raised in Los Angeles, California. Her father, Joseph, is of Americo-Liberian descent, and her mother, Natasha, is Jewish (from a family from Russia and Poland). Graham's father was a music executive and the godfather of two of Quincy Jones' children. Her paternal grandfather was a UN Ambassador, serving for 40 years in the Netherlands, Sweden, Romania and Kenya. Her parents divorced when she was five. She has a half-brother, Yakov, born in Tel Aviv, Israel. Graham was raised in her mother's Jewish religion and attended Hebrew school.