Star-Studded Bash Welcomes the Beckhams

People Magazine - USA - Capping a whirlwind week of festivities marking the arrival of David and Victoria Beckham to Los Angeles, superstar duos Tom Cruise and Katie Holmes and Will and Jada Pinkett Smith hosted a gala private party Sunday night for their British pals at the Museum of Contemporary Art's Geffen Contemporary in downtown L.A.

"It was so much fun!" a guest tells PEOPLE.

Boasting a Who's Who celeb turnout, including Demi Moore and Ashton Kutcher, Brooke Shields and husband Chris Henchy, Jim Carrey and Jenny McCarthy, Bruce Willis, newlywed Eva Longoria (without Tony Parker), Ron Howard, Jim Caviezel, Derek Luke with his wife, Brian Grazer and Quincy Jones, the party came on the heels of Saturday's much-anticipated American debut of the L.A. Galaxy's newest and most famous soccer player.