Nikolina Konstantinova Dobreva born January 9, 1989,known professionally as Nina Dobrev, is a Canadian actress and model. She played the role of Mia Jones, the single teenage mother, on Degrassi: The Next Generation, from the show's sixth to ninth season. She currently stars as Elena Gilbert and Katherine Pierce on The CW American television teen drama, The Vampire Diaries.
4x23 Graduation May, 16 2013
On Graduation Day, Mystic Falls is overrun with ghosts intent on settling old scores and fulfilling their supernatural destinies. Damon’s (Ian Somerhalder) life is in danger after a ghostly encounter, while Matt (Zach Roerig) and Rebekah (Claire Holt) join forces to battle a ghost determined to find the cure. As everyone gathers for the graduation ceremony and the ghosts converge, help comes from an unlikely hero. Caroline (Candice Accola) receives a touching and unexpected graduation present, and Bonnie’s (Kat Graham) plan leads to the closing of the veil. Elena (Nina Dobrev) makes a decision about the Salvatore brothers and faces an epic confrontation with Katherine (Nina Dobrev). Finally, Stefan (Paul Wesley) discovers a horrifying clue to the mystery surrounding Silas.