Love bites -- unless you're The Vampire Diaries' Nina Dobrev and Ian Somerhalder, that is.

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After keeping their relationship under wraps for a year, the costars put rumors to rest when they arrived hand-in-hand at the MuchMusic Video Awards Sunday night.

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"Who am I most excited to see tonight?" Somerhalder, 32, smirked. "Nina Dobrev!"

His girlfriend, who turned heads in a strapless blue and green cocktail dress, was less forthcoming. "I'm excited to see Selena Gomez because she's hosting and I'm really happy for her," Dobrev, 22, said.

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Will their relationship stand the test of time? "They are the real deal," a pal of the couple recently told Us Weekly.

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