Shannon Funk spent three weeks as Britney Spears’ personal assistant before being fired by the pop singer late Wednesday. Britney reportedly never got around to having her former employee sign a non-disclosure agreement. Now, S.F calls to have been ‘bombarded’ with phone calls from snitches seeking interviews on troubled Brit. Shannon says she was $50,000 to sell her story as well as some ‘damaging’ photos she has of the star.