Posted on Tue May 31, 2011 10:35 AM PDT
When Joel Silver calls, Hollywood's hottest celebrities come running ... and some of them in hats!
Silver's Memorial Day bash in Malibu proved to be the hot ticket over the weekend with celebrities like Tom Cruise, Courteney Cox, David Arquette, Sean Penn and Barbra Streisand in attendance.
Check out our massive gallery below to see who else was partying in the 'bu with Mr. Silver. See Gwen and Gavin leaving the shindig ... after the jump.
SEE THE GALLERY Celebrities Flock To Joel Silver's Malibu Party
Courteney Cox Enjoys Time Off From Cougar Town - Jul 19, 2012
Courteney Cox And Daughter Coco Have Girls' Night Out In Malibu - Jul 07, 2012
Courteney Cox Relaxes Beachside With Her Cougar Town Co-star - Jun 29, 2012
Courteney Cox Spends A New York Minute With Daughter Coco - Feb 15, 2012
Courteney Cox Flaunts Rockin' Body at 47! - Feb 10, 2012