GLEE | Full Performance of "All About That Bass" from "Transitioning" - Y...

https://www.youtube.com/watch?feature=player_detailpage&v=XG2kT_sSWhs

Mercedes is "All About That Bass!" Watch as she and Roderick perform Meghan Trainor's smash hit! Subscribe now for more Glee clips: http://www.youtube.com/su...