Home • Celebrity Cutest Celebrity Halloween Costumes of 2011 Stars gets spooky and scary for the holiday. Beyonce Gypsy Halloween Party 2011 By Essence · Updated October 28, 2020 Getting your Trinity Audio player ready… Though Halloween only kicks off today, celebrities like Mariah Carey and Nick Cannon have been getting in the spirit all weekend long. Take a look at a few of our favorite spooky, and sweet, costumes of 2011.