Originally sing by : LMFAO
Originally sing by : Whitney Houston
Originally sing by : Adele
Originally sing by : Katy Perry
Originally sing by : Kelly Clarkson
Originally sing by : The Wanted
Originally sing by : Halestorm
Originally sing by : Gym Class Heroes
Originally sing by : Fun
Originally sing by : Gloria Gaynor
Originally sing by : Westlife
Originally sing by : Beyonce
Originally sing by : The Jackson 5
Originally sing by : Katy Perry
Originally sing by : Justin Bieber
Originally sing by : Jennifer Hudson
Originally sing by : Toby Keith
actually there are a lot more glee performance but I will only share some, I will share the rest soon :D