American Idol seems to be getting better and better every week – and Miranda Lambert being a guest mentor and musical performer on the Sunday, May 4th episode just proved it! The 41-year-old country superstar treated Idol viewers to a sensational

Underwood auditioned for American Idol back in 2004, and she still has a memento from the audition to remember how far she’s come. But that was almost the only thing she took fr