The Gossip guy and the rapper laugh it up while shooting a film in New York. Plus: Drew Barrymore, Lauren Conrad, Lindsay Lohan and more

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IT'S A WASH

She really cleans up! The Real Housewives of Orange County star Gretchen Rossi keeps things sparkling – scrubbing the customized car she will race in the Gumball 3000 rally on Wednesday in Los Angeles. The reality star is competing in the 3,000-mile trek, which begins May 8, to raise money for her "Rossi Racing for the Cure" charity.