The 23-year-old actress and model was born in Bulgaria but grew up in Toronto, Canada. She currently stars as the protagonist Elena Gilbert and her malevolent doppelganger, Katherine Pierce in the CW series, 'The Vampire Diaries.'

Her next feature film role is as Candace in 'The Perks of Being a Wallflower', a dramatic romance about an introvert freshman who befriends two seniors who open up his eyes to the real world.

Next year, she's rumored to play one of the leads in 'Kid Cannabis', a drama about a couple of college-aged kids who start trafficking weed across the Canadian border.

Most of the recent reports surrounding Nina have been about the impending marriage proposal from her boyfriend - and lead candidate for the role of Christian Grey in the film adaptation of 'Fifty Shades of Grey' - Ian Somerhalder. For anyone doubting his decision to pop the question, we present this video from her appearance on 'Conan'. Being a wallflower has it perks.

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