From trick-or-treating with their kids to attending ghoulish parties, celebs love to play dress-up! Can you guess who's who?
Oct 30, 2013 at 1:08PM
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Looks like TLC's reality series Toddlers & Tiaras was a popular costume inspiration! Dressed in a frilly pageant dress, Fergie rocks the trend at Heidi Klum's N.Y.C. party on Oct. 31, 2011.
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