Hyorin is trying to outshine Ailee" lol excuse me but Hyorin sung Jessie J's parts right? If you listen to the original singers Jessie voice has the same tone as Hyorin's and typically overpowers Ariana's voice. Dont get mad at Hyorin because that's her tone when she sings it and she slayed. Hyorin just outshines everyone you put next to her stage. She has charisma. If you look at the performance of Hyorin singing Bang Bang before she did this with those 2, she sings it exactly the same. So dont come here saying she tried to hard when she naturally has a really strong stage presence