Michelle Bombshell McGee claims affair with Sandra Bullock's hubby Jesse James

jesse-james-sandra-bullock1.jpgA tattooed model named Michelle "Bombshell" McGee claims to have had a steamy affair with Jesse James, while his wife Sandra Bullock was shooting "The Blind Side."

And Michelle tells InTouch that Jesse told her that he and Sandy were split. "I would never have hooked up with him if I thought he was a married man."