Why

The Sweet Escape Gwen Stefani, Akon Maneater Nelly Furtado Paparazzi Lady Gaga Last Friday Night (T.G.I.F.) Katy Perry Telephone - Cover of Lady Gaga feat Beyoncé Glee Cast no tears left to cry Ariana Grande Locked out of Heaven Bruno Mars Lush Life Zara Larsson Teenage Dream Katy Perry The One That Got Away Katy Perry Espresso Sabrina Carpenter All The Things She Said t.A.T.u. Love You Like A Love Song Selena Gomez & The Scene Oops!...I Did It Again Britney Spears Pink Pony Club Chappell Roan Sign of the Times Harry Styles Judas Lady Gaga thank u, next Ariana Grande Toxic Britney Spears Style Taylor Swift The Sweet Escape Gwen Stefani, Akon Maneater Nelly Furtado Paparazzi Lady Gaga Last Friday Night (T.G.I.F.) Katy Perry Telephone - Cover of Lady Gaga feat Beyoncé Glee Cast no tears left to cry Ariana Grande Locked out of Heaven Bruno Mars Lush Life Zara Larsson Teenage Dream Katy Perry The One That Got Away Katy Perry Espresso Sabrina Carpenter All The Things She Said t.A.T.u. Love You Like A Love Song Selena Gomez & The Scene Oops!...I Did It Again Britney Spears Pink Pony Club Chappell Roan Sign of the Times Harry Styles Judas Lady Gaga thank u, next Ariana Grande Toxic Britney Spears Style Taylor Swift