Billie Eilish is letting fans in on a secret about her Coachella gig from earlier this year. Ahead of her headline performance at Glastonbury Festival on June 24, the singer appeared on Apple Music's "The Matt Wilkinson Show" and revealed that she used a body double at the beginning of her set at the desert festival in April. Eilish said the decoy allowed her to walk through the crowd incognito before slipping under the stage and properly starting the show. "Nobody looked at me," she said.

"Nobody ever knew it wasn't me."

Eilish explained, "The beginning of Coachella, I had a body double. One of my dancers for the show, I dressed her up in a show look that I had worn before. We got a black wig and we put buns in it, and we gave her a mask and sunglasses. She wore my shoes and my socks. I put...