Halloween weekend gave many stars the opportunity to dress up, and some took advantage of the chance more than once! From LA to NYC, there were parties, like Kate Hudson's, to attend. Paris Hilton picked a skimpy number to hang with sister Nicky, while Lauren Conrad channeled a bird with boyfriend Kyle Howard. Sarah Michelle Gellar spent the day with her daughter, Charlotte, while Katherine Heigl and Josh Kelley took Naleigh trick-or-treating — click through to see who put on their costumes!
See How the Stars Dressed Up For Halloween!
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