David Arquette Gushes About "the Most Positive Thing in My Life"

Entertainment Nov. 19, 2010 AT 3:10PM

Hollywood partied with Us Weekly Thursday night in the name of charity, as Us honored stars who donate their time and talents to worthy causes.

On hand for the festivities at L.A.'s Colony Club? Olivia Wilde, Kelly Osbourne and David Arquette, who gushed to Us about the leading lady he left behind for his night out.

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"The most positive thing in my life is my daughter, Coco," Arquette -- who split from wife of 11 years Courteney Cox in October -- tells UsMagazine.com. "She's just the greatest. Seeing her grow and learn and go to school and enjoy life, that's my favorite."

While Arquette was feted for his work with Feeding America, Kelly Osbourne and her mom, Sharon, got a nod for their partnership with The Trevor Project.

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"We do it because we want to, not because we want to get acknowledged for it," Kelly tells Us of her philanthropic efforts. "We get so much. It would be so wrong if we didn't give back."

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