Number one

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