Why

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