1 GIRL 15 VOICES (Adele, Ellie Goulding, Celine Dion, and 12 more)

1 Amy Winehouse - You know i'm no good 2 Ariana Grande - Dangerous Woman; Bang Bang 3 Shakira - Waka Waka (This time for Africa) 4 Britney - Everytime 5 Chri...