From cute (Neil Patrick Harris!) to sexy (Jessica Simpson!), see the celebs' festive alter egos (91 Photos)
Ali Gray on Nov 1, 2012 at 9:56AM
chime in nowLooks 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.





