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Irina Shayk

This image provided by Sports Illustrated shows the cover of the magazine's 2011 Swimsuit Edition featuring Irina Shayk. The Russian-born, 25-year-old learned Monday at a taping of David Letterman's show that she won the coveted spot from a photo shoot months ago in Hawaii. (AP Photo/Sports Illustrated)

Letterman Reveals 2011 SI Swimsuit Issue Cover Model

Irina Shayk learned Monday at a taping of David Letterman’s show that she won the coveted cover of the Sports Illustrated Swimsuit issue. “I saw it, and I couldn’t believe it,” Shayk said.

WFAN–02/15/2011