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A Los Angeles cocktail waitress tells the new Us Weekly (on newsstands Wednesday) that she had a steamy 31-month fling with Tiger Woods and has a voicemail recording and text messages to prove it.

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Jaimee Grubbs, now 24, tells Us Weekly she began having an affair with Woods, 33, in April 2007.

She tells Us Weekly they went on to have 20 sexual encounters.

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Grubbs, who recently appeared on VH1's "Tool Academy," also tells Us Weekly she has photos, as well as more than 300 racy texts from Woods, who wed model Elin Nordegren in 2004.

Remember these controversial celeb couples?

Talk of the alleged affair with New York City club manager Rachel Uchitel reportedly led to Woods' one-car accident near his home in Florida this past Friday.

See what Rachel Uchitel told Us about the affair rumors

TMZ has reported that Woods and his wife were arguing about the alleged fling just before the crash.

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