USA Today reports that Mary J. Blige and Christina Aguilera will head the list of entertainers at this year’s NBA All-Star 2007 weekend in Las Vegas. Blige, who is up for eight Grammys, will perform Feb. 17 during the NBA All-Star Saturday Night, which features the slam-dunk, skills and three-point shooting competitions. Aguilera, who is up for two Grammys for Back to Basics, will perform new single “Candyman” the next night at halftime, along with six-time Grammy Award winner Toni Braxton. Both events will be televised on TNT (8 p.m. ET/5 PT).