Leonardo DiCaprio, Bar Refaeli Engagement Reports "Not True"

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Leonardo DiCaprio didn't pop the question to his model girlfriend Bar Refaeli over the weekend.

A source close to DiCaprio, 35, tells UsMagazine.com that German reports that he proposed on Valentine's Day are "not true."

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The couple are currently in Germany, where DiCaprio is promoting his flick, Shutter Island, at the Berlin International Film Festival.

After Refaeli, 24, was spotted wearing a simple gold band on her ring finger at the Cinema For Peace Gala on Monday, reports surfaced DiCaprio got down on one knee on Valentine's Day at the Hotel de Rome before they celebrated at Grill Royal.

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This isn't the first time engagement reports abou the couple have hit the Web, who have dated on and off for the past four years.

Last March, it was rumored they tied the knot, but a source told Us then: "[They] are not married and not engaged."