Claim: The Vampire Diaries is a series.

Nina Dobrev -LRB- born Nikolina Konstantinova Dobreva ; January 9 , 1989 -RRB- is a Bulgarian-Canadian actress . She portrayed Mia Jones on the drama series Degrassi : The Next Generation -LRB- 2006 -- 2009 -RRB- , and then played the role of Elena Gilbert/Katherine Pierce/Amara/Tatia on The CW 's supernatural drama series The Vampire Diaries -LRB- 2009 -- 2015 , 2017 -RRB- .   Dobrev has also starred in several feature films , including the 2012 film The Perks of Being a Wallflower , the 2014 comedy Let 's Be Cops , the 2015 horror comedy The Final Girls , and the 2017 action movie xXx : Return of Xander Cage .