Elton John and David Furnish served as hosts for Sunday's gala at the Pacific Design Center.
Attendees included Ben Kingsley, Heidi Klum, Seal, Jamie Foxx, Steven Tyler, Zac Levi, Sharon Stone, Matthew Morrison, Paul Rudd, Paz Vega, Claire Danes, Hugh Dancy, Ashley Tisdale, Baz Luhrmann, Emma Stone, Smokey Robinson, Quincy Jones, Chace Crawford, Hayden Panettierre, Kelly and Sharon Osbourne, Dave Annable, Cee Lo Green, Chris Colfer, Eric Stonestreet, Jane Lynch, Kim Kardashian, Nicole Richie, Joel Madden, John Waters, Miranda Cosgrove, Serena Williams, Joel McHale, Rashida Jones, Vanessa Hudgens, Taye Diggs, Rufus Wainwright, Natasha Henstridge and Tori Spelling.
Guests enjoyed cocktails and dinner, then watched the 83rd Academy Awards telecast.
The dinner was followed by an auction conducted by Jamie Nivens of Sotheby's after which Florence + The Machine took the stage to perform several songs including their hit "The Dog Days are Over."
Elton John also joined Florence Welch onstage to perform "Tiny Dancer" and "You Got the Love," the foundation said in a news release Monday