Who's The Biggest 'Diva' on 'Glee'?

Becca Tobin and Heather Morris show off their diva sides in these new stills from tonight’s all-new Glee.

In “Diva,” Finn (Cory Monteith) challenges the glee club to find their inner powerhouses for “Diva Week.”

Meanwhile, in New York, Kurt (Chris Colfer) can no longer take Rachel’s (Lea Michele) arrogant attitude and calls her out, causing tension between the two friends. Emma (Jayma Mays) is in a whirlwind preparing for her upcoming wedding

“Diva” airs TONIGHT, February 7th @ 9PM ET/PT on Fox. Check out some sneak peeks below!