Why

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