Carrie Underwood shared a mysterious new video with fans, prompting some to question her appearance. The American Idol judge uploaded an Instagram video this week of herself outside, wearing large glasses and an all-white bejeweled suit.

Carrie Underwood has come a long way since she first sprung onto the scene as the winner of the fourth season of American Idol in 2005. The country singer is now a judge on the hit singing show, and on Monday,

Carrie Underwood, Brooks & Dunn, Luke Bryan and Luke Combs will all headline the three-day country music festival in October.