I Know What I Know

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