President Barack Obama and first lady Michelle Obama hand out candy at the White House. 2000 kids came by for candy. Mrs O had a cat print outfit and rabbit ears! fun times.

Brad and Angelina and their cute chidren out trick or treating…

Heidi & Seal. Their halloween outfits are always the best, most creative

Brooke Shields takes her daughters Rowan and Grier trick-or-treating in New York
              

Christina Aguilera and son Max

Nick Lachey and Vanessa Minnillo, the on again off again couple hosted a lavish haunted-mansion theme Halloween party at Nick's home in Bel Air, Radar reports. Very impressive costume by these too… my fav so far..