Britney is back to being a blonde.
The 28-year-old singer - who went brunette in December - showed off lighter locks over the weekend after popping by West Hollywood salon Nine Zero One Friday.
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She returned to the salon Saturday, leaving with new blonde extensions.
She then hit Vionnet Boutique for some retail therapy, even bumping into another new blonde, American Idol alum Katharine McPhee.
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Spears ended her weekend with a trip to - where else? - her local Starbucks.
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