Why Is It So Hard?

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