Last year, at the 2011 Emmys, Nina Dobrev wore a stunning red Donna Karan gown that nearly stole the show. The Vampire Diaries star continued her fashion winning streak at Elton John's post Oscar bash. Her plunging black J. Mendel dress had every-one's attention. The Bulgarian born beauty has consistently turned up the heat in sexy attire along with the best accessory: boyfriend Ian Somerhalder. Here are her 5 hottest looks!