Nina Dobrev (born Nikolina Konstantinova Dobreva; January 9, 1989) is a Bulgarian-Canadian actress. She portrayed Mia Jones on the drama series Degrassi: The Next Generation (2006–2009), and then played the role of Elena Gilbert, Katherine Pierce Amara and Tatia on The CW's supernatural drama series The Vampire Diaries (2009–2015, 2017).