Team U.S.A. Basketball Stars Toast Gold Medal Win in London
08/14/2012 AT 06:00 AM EDT
Kobe Bryant and Carmelo Anthony made the bash a family affair, bringing wives Vanessa and La La, who both happened to be wearing leopard-print dresses.
"Kobe rarely left his wife's side," a source tells PEOPLE. "They were very affectionate as he had one arm draped across her as she danced against him."
As the night wore on, Alicia Keys's husband Swizz Beatz, who was DJing, invited the basketball stars on stage and blasted Queen's "We Will Rock You" – before spraying the crowd with champagne.
Rapper Nas was also on hand for the celebration, and closed out the evening with a surprise performance that had the nearly 2,000 partygoers singing until well past 3 a.m.
– Melody Chiu