09:45 AM EDT 03/19/2015
Originally posted 02/04/2013 10:45AM
For Hollywood, Super Bowl weekend is one big party, and they don't disappoint.
On Saturday night, Lil Wayne performed at a GQ, Lacoste and Mercedes-Benz hosted party at the Elms Mansion in New Orleans. Among the fans on hand was model Kate Upton, who posed for photos in front of her GQ cover and stood on a couch to get a better view of Lil Wayne's show, an onlooker tells PEOPLE.
Even Paul McCartney and wife Nancy Shevell were spotted "rushing through the backstage area to catch the end of his performance," the source adds.
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