Although The Globe says that the romance between Kellie Pickler and Kid Rock is the worst kept secret in Nashville…I’ve never even heard a blip about these two hooking up. The 23-year-old blonde, who got her start as a contestant on the fifth season of American Idol , dated hockey player Jordin Tootoo for nine months in 2007 before the athlete was caught cheating on her. According to The Globe , the country-rap-rockin’ Kid — who has constantly complained about having a “bu