Katerina Alexandre Hartford Graham (born September 5, 1989) is an American actress, singer, dancer, and activist. She played Bonnie Bennett on The CW supernatural drama series The Vampire Diaries (2009–2017).Her film credits include The Parent Trap (1998), 17 Again (2009), The Roommate (2011), Honey 2 (2011), Addicted (2014), and All Eyez on Me (2017). In music, Graham has released two extended plays and four studio albums.