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As part of the Fulfillment Fund‘s Annual STARS 2009 Benefit Gala, John Mayer serenaded Leslie Mann.

The Fulfillment Fund, a nonprofit is dedicated to helping promising yet disadvantaged students graduate from high school and complete college, honored Director/Writer/Producer Judd Apatow and his wife, actress Leslie Mann, at its STARS 2009 Benefit Gala, Monday, at the Beverly Hills Hotel.

Gallery Info: John Mayer, Judd Apatow, Leslie Mann, Jonah Hill, Jason Segel, Joey McIntrye, Gary Shandling and Amy Smart at the Fulfillment Fund’s Annual Gala