Here come the girls with 17 great hits. From Lady GaGa & Leona Lewis to Katy Perry & Girls Aloud, these are the female acts that reinvented girl power & took the charts by storm. Features - The Boy Does Nothing; Disturbia; The Fear; Girls; Hallelujah; Hot N Cold; I Hate This Part; If I Were a Boy; Just Dance; The Loving Kind; Make You Feel My Love; Rain On Your Parade; Run; So What; Spotlight; Up; Womanizer. Sheet Music.