Why

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