Katerina Graham stars as Bonnie Bennet on the CW's The Vampire Diaries. Bonnie is one of Elena's best friends and she has a secret: Bonnie is a witch!
She comes from a long line of witches and is taught how to use spells by her grandmother. Near the middle of the first season, Bonnie learns that Damon and Stefan are vampire.
Stefan: Please don't give up.
Bonnie: Of course. But please don't ask me to have hope. Hope hurts, and I don't want to hurt anymore.
Jenna: His name is Stefan Salvatore. He's a Gemini and his favorite color is blue.
Bonnie: You got all that in one day?
Jenna: Please. I got all that between third and fourth period.