Despite rumors to the contrary, Ian Somerhalder never asked Nina Dobrev for her hand in marriage.

"There's a crazy story that started in the British tabloids that Ian proposed to Nina," a source tells Us Weekly. The report claims that Dobrev, 23, "turned him down and that's causing friction in their relationship."

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"It's totally not true!" the source says. "There was no proposal at all."

Indeed, a rep for Dobrev tells Us: "There is no truth to this item at all. There was no proposal."

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While Dobrev may not be headed down the aisle with Somerhalder, 33, she's still madly in love with her Vampire Diaries costar.

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"They're a very happy couple and they're doing great," the source tells Us. "But no proposal."

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