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