Billie Eilish's relationship with Jesse ... and fuzzy slippers and Eilish wearing a Gucci silk floor-length nightgown complete with a sleeping mask on her head. To complete the coordinated look ...

"I've always wanted to do this," Eilish said of attending her first Met Gala. "I was just scared and didn't feel comfortable in my skin." Billie Eilish ... from Burberry, Gucci, Louis Vuitton ...