Redfoo, Jeremy Piven join Novak Djokovic and Mardy Fish on court

Bob and Mike Bryan, Mardy Fish, Redfoo, Jeremy Piven and Novak Djokovic. The ubiquitous Redfoo, who's never far from any tennis event involving his girlfriend

Bob and Mike Bryan, Mardy Fish, Redfoo, Jeremy Piven and Novak Djokovic.

The ubiquitous Redfoo, who's never far from any tennis event involving his girlfriend Victoria Azarenka, put down his mic in favor of a tennis racket to play doubles alongside Mardy Fish, Novak Djokovic, and Entourage's Jeremy Piven at the 9th Annual K•Swiss Desert Smash at La Quinta Resort, which also included Bob and Mike Bryan, for charity. In front of a sold-out crowd that included Lance Bass from NSYNC and actors Timothy Olyphant and Boris Kodjoe, Djokovic and Piven teamed up to score the win.

Even when he's knocking it around at a hit-and-giggle, Djokovic can't lose. Check out some photos from the event:

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Bob and Mike Bryan

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Emmanuelle Chriqui of Entourage

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Redfoo and Jeremy Piven

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Lance Bass

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Mardy Fish and Redfoo

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Boris Kodjoe from BET's new show, “The Real Husbands of Hollywood”

(All images courtesy of K-Swiss)