If I Knew

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