Britney also worked out a custody agreement with her ex-husband Kevin Federline that would see her bringing their two sons on her The Circus: Starring Britney Spears tour, which kicked off in March 2009. When the tour began, Britney appeared to have gotten back into great physical condition. The atmosphere on the tour was controlled tightly by Britney's father, who fired several backup dancers early in the tour because of suspected drug use. Take a look...
