Caught in the Act

Jennifer Lawrence Gets Pampered During a Shopping Event for Ladies

08/15/2012 at 06:00 AM EDT

Jennifer Lawrence kept a mellow profile during a recent outing at the Los Angeles home of producer Jennifer Klein, but she seemed to enjoy herself during the relaxing experience.

Stopping by the 14th Annual Day of Indulgence event, a "low-key" Lawrence "didn't mingle with too many of the guests," an onlooker tells PEOPLE. "She was really spending her time shopping at the pop-up stores in the hostess's backyard."

But Lawrence was also able to give her feet a break. She sat back and "enjoyed a relaxing pedicure," the source says, adding that she opted for water instead of vodka cocktails by Russian Standard, which were on hand for guests who wanted to sip on alcoholic beverages.

Other celebrities who attended included Christina Hendricks, Sophia Bush, Malin Ackerman and Leslie Mann.
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NEXT: Robert Pattinson Relaxes (and Smiles) at Rooftop Party in N.Y.C.