Learn the moves to “Work Bitch” with Britney’s choreographers The Squared Division!       Keep up with Britney.: http://britneyspears.com http://twitter.com/britneyspears http://facebook.com/britneyspears http://plus.google.com/+britneyspears http://instagram.com/britneyspears http://britneyspears.tumblr.com