Britney Spears has left executives at her label, Jive Records, stunned after she backed out of a Timbaland produced duet with ex-boyfriend Justin Timberlake. The song, which the label hoped would serve as the comeback Britney is looking for, was to be performed at this years VMA’s. Sources can offer no explanation other than Britney Spears is a fucking retard:

“Timbaland set aside a week out of his crazy schedule to do this - and then, just before she was ...