Parties: Jennifer Lopez and Randy Jackson Celebrate Their Boss!

Parties Jennifer Lopez
Photo: Kevin Winter/Getty Images

American Idol creator Simon Fuller was honored with a star on the Hollywood Walk of Fame yesterday, and the celebs came out to celebrate! Jennifer Lopez, along with co-star Randy Jackson, showed support for their show's producer at the ceremony in Los Angeles. Over in New York City, The Hangover Part 2 crew partied together at a screening of their film, while more stars stepped out uptown for an event at the Museum of Modern Art. Click through the gallery to see all the celebs, including Victoria Beckham and Chloe Sevigny, at last night's hottest parties!

—Blakely Slater

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