Nina Dobreva (English: Nina Constantinova Dobreva; Bulgarian: Нина Константинова Добрева) is the lead actress in the hit American series "Vampire Diaries" and is also a Canadian Nina is a former Olympic gymnast, model, actress and amateur singer, born in Sofia, Bulgaria on January 9, 1989, and a Canadian citizen. 2013, Nina won the American Teen Choice Awards for Actress in a Television Series for Vampire Diaries.