Motley Crue bassist Nikki Sixx‘s girlfriend, Courtney Bingham, made good on her birthday wish for herself to perform a burlesque dance routine onstage at the band’s show in Michigan. Bingham recently revealed her desire to add a little something extra to the show and announced her intention to perform on her 27th birthday while the band played their hit song ‘Girls, Girls, Girls.’ The group was initially expecting to play