The pop star continues indulging in her nesting instincts in L.A. Plus: Solange Knowles, Hayden Panettiere and more

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NESTING INSTINCTS

After browsing for furniture last week, Christina Aguilera heads out for another shopping expedition in Los Angeles on Tuesday. Making room for one more? Though Aguilera hasn't made it official, a source close to the pop star and her hubby Jordan Bratman say they're expecting and "couldn't be happier."