Jessica Simpson Isn't So Sweet & Innocent Anymore

Apparently, she has gotten around a bit.

Listen to this ex-girlfriend of Bam Margera of MTV's 'Viva la Bam' tell her story about Jessica & Bam hooking up. She also confirms the rumors about Jess & Johnny Knoxville getting it on.

(Jessica in her new video, "These Boots are Made for Walking".)