Not to worry, because the ever-fabulous Nicolle has already found clothes that haven't even appeared on the show yet!
Slight spoilers ahead in the form of pictures!
Our friend Chance posted a photo of the New Directions kids in their Regionals costumes:

The Journey to Regionals CD is scheduled for a June 8 release.
Nicolle, the fashion ninja that she is, recognized these sparkly dresses immediately! Check out Nicolle's post on What Would Glee Wear to get the scoop on these fancy frocks!
Fashion ID - Season Finale! New Directions
There's never a shortage of Emma Pillsbury's style here on WWEPW, even when Emma isn't on screen! Lots of fun to come this week!