NEW : Nikki checks out of hospital and heads to Australia , Brisbane , for concert . Neil underwent surgery to remove kidney stones Monday morning , manager says . Vince Neil Sixx : `` Just like an athlete you sometimes have to play through the pain , but last night it became ( too ) excruciating . '' He was doubled over on his dressing room floor five minutes '' till showtime . `` He has been having problems for Monday with kidney stones , '' manager says .
NEW : Nikki checks out of hospital and heads to Australia , Brisbane , for concert . Neil underwent surgery to remove kidney stones Monday morning , manager says . Vince Neil Sixx : `` He was doubled over on his dressing room floor five minutes '' till showtime . `` He has been having problems for Monday with kidney stones , '' manager says .