The singer joins Destiny's Child, U2 and Stevie Wonder to aid African poverty. Plus: Britney Spears, Paris Hilton, Jennifer Connelly and more

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PARTY SCENE

Paris Hilton gives her frilly frock a whirl during a London soiree on Thursday at the Serpentine Gallery with pal Kimberly Stewart (left). Hilton will soon jet off to fiancé Paris Latsis's native Greece, where the couple will make a horror movie and begin planning their Athens wedding.