Who?

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