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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SWEET MAMA

Britney Spears, whose first child with husband Kevin Federline is due this fall, stops Thursday at a Malibu pet shop, where she picked up a doggy bed and toys for pups Bit Bit, Lucky and Lacy.