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Trick-or-Treat! Hollywood Suits Up for Halloween

See how Jimmy & Mindy, Melissa McCarthy, the Affleck family and more are getting into the spooky spirit of the season

FERGIE & JOSH DUHAMEL

The happy new parents resurrected the '80s for pal Kate Hudson's Oct. 28 soiree in L.A., with the sexy singer showing off her curves as horror hostess Elvira and Duhamel dressing up as Riff Raff from The Rocky Horror Picture Show.