Ariana Grande sports light-up dress during performance with Little Big Town at the 2014 CMAs

By BRYNN MANNINO

Sizzling popstar Ariana Grande made an appearance at the CMA awards to perform with fan-favorite Little Big Town, who snagged its third straight award for vocal group of the year.

The quintet wore glow-in-the-dark, light-up costumes, which they said took quite a bit of work.

"So many people and so many wires in so many places," the band said backstage. "It was a fragile and delicate situation. We couldn't bend over or turn to the side or we would short out."

"You don't just sew light that does that into a costume. It takes a lot of planning."

As Jezebel points out, the collaboration was ... surprising, but satisfying none-the-less. If you're a fan of Little Big Town, you know the team-up only meant one thing: more genius harmonies. #yesplease

Darius Rucker & Little Big Town on CMA Awards
Darius Rucker & Little Big Town on CMA Awards