• SWEET TREATS photo | Christina Aguilera

Credit: X17online

Published: Thursday November 01, 2012 06:00 AM EDT

2012

SWEET TREATS

Following a tough decision during the knockout rounds on The Voice, Christina Aguilera dons ghoulish Halloween attire for 4-year-old son Max's (not pictured) school party in Brentwood, Calif., on Wednesday.