Billie Eilish is joined by a huge entourage as she films a secret project with Kiwi DJ Zane Lowe

Billie Eilish makes a casual style statement in an oversized T-shirt and baggy jeans in Sydney

Billie Lourd Packs on PDA With Husband Austen Rydell at Her Birthday Party

Billie Eilish Channels Hollywood Glamour in Noir-Inspired Gucci Eyewear Campaign