Jennifer Lopez Celebrates Her 40th in Style

By:OK! Staff

July 25 2009, Published 2:32 p.m. ET

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Believe it or not, Jennifer Lopez turned 40 on Friday. To celebrate the occasion, the singer/actress/designer and hubby Marc Anthony threw a huge private party for friends and family at Hotel Griffou in NYC's Greenwich Village.

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Among the guests were Jen's manager, Benny Medina and Alex O'Loughlin, her co-star in the currently shooting film, The Backup Plan.