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
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