Source: Tiger Woods' Mistress Dated George Clooney

Credit: Kevin Winter/Getty Images; Jean Baptiste Lacroix/

Jaimee Grubbs -- the 24-year-old Los Angeles cocktail waitress who claims she had a 31-month affair with embattled golfer Tiger Woods -- has been romantically linked to another famous figure: George Clooney.

Asked whether she dated the 48-year-old actor, she tells the new Us Weekly (on newsstands now): "I know him."

A source confirms to Us the two slept together. Clooney's rep had no comment.

On Monday, Grubbs told Us Woods never used a condom with her.

"He didn't use a condom," she told Us, adding that Woods also didn't ask if she was on birth control. "It wasn't even discussed. He just never used one."