Jeff Vespa/WireImage

WHAT SHE WORE Stefani hit an L.A. bash in Gucci's black blazer and matte satin ankle pants. A diamond Neil Lane choker and pointy-toe stilettos completed the ensemble.

CELEBRITY: Gwen Stefani

TREND: Black

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Gwen Stefani

Gwen Stefani borrowed one from the boys in Gucci