Justin Bieber performing at the 2010 B96 Jingle Bash show at the Allstate Arena

Fresh from a gig at Madison Square Garden, packed Justin's bags and headed for Chicago, Illinois to have a concert Saturday night December 11. Join the likes of Nelly and Jason Derulo, the 16 year tweeted travel plans, setting off to Chicago today @ B96Radio jinglebash. chitown is gonna be crazy! The audience is always right.After getting ready backstage, took the oh so popular singer stage at