People.com Halloween Party

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

KELLY OSBOURNE

Hot dame! Osbourne pumps up the volume on her purple hair and dresses up as Australian comedic personality Dame Edna for a night out at the Oct. 19 M.A.C. Cosmetics and Rick Baker Monster Mash in Glendale, Calif.