Source: Leonardo DiCaprio, Bar Refaeli "Still Together"

Contrary to a new report, Leonardo DiCaprio and Bar Refaeli haven't split, a source close to the couple tells Usmagazine.com. "They are still together," the source says.

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People.com reported the couple was "taking time off" -- a few hours after they were photographed shopping together at a Barnes & Noble in Hollywood.

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At the Young Hollywood Awards on Sunday, Refaeli, 23, dodged questions about her beau, 34. When asked by Us what makes their relationship work, she said: "Oh, I'm not going to get into that." DiCaprio and the Sports Illustrated model took a brief break last fall, but reconciled in December and have been together ever since.

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In March, rumors surfaced they tied the knot, but a source told Us then: "[They] are not married and not engaged."