Eilish had switched up her look, wearing a baggy sweater and oversized shorts, while her brother wore a darker t-shirt and dark pants. Related: Billie ... a Merry Little Christmas," joined by ...

"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 ... ask for them for Christmas every single ...

Billie Eilish is well-prepared for the holiday season. The singer closed out her five-night run at the Kia Forum in Los Angeles on Saturday (Dec. 21) with a cover of the Christmas standard "O Holy ...