Sneak Look: Glees Troubletones Perform an Adele Mash-Up

Naya Rivera and Amber Riley The Brit has came back on Tuesday's Glee! While Adele's tunes are actually covered around the program before, The Troubletones' performance might really be the most effective yet.Santana, (Naya Rivera), Mercedes (Amber Riley), Brittany (Louise Morris) as well as the relaxation in the lately produced girl group to experience a mash-from "Rumour Has It" and "You.Inch The performance may also be the show's 300th musical number.Harry Potter, Glee lead People Choice Honours nominationsCheck the sneak look: The Glee episode titled "Mash Off" airs Tuesday at 8/7c on Fox.