Get a Sneak Peek of Grant Gustin and the Warblers Singing 'Glad You Came' on Glee

The competition on Glee heats up on the February 21 episode as Ohio's best high school singing groups head off to the annual Regionals competition. As usual the Dalton Academy Warblers will be present to show off their soulful skills. Decked out in their signature blazers, Grant Gustin and his fellow hunky classmates will take on “Glad You Came,” from U.K. band The Wanted. Check out the Warblers’ toe-tapping rendition of the global number one hit, then check out the full episode this Tuesday to see if the Warblers advance to Nationals.