Happy (con One Voice Childrens Choir)

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