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

Billie Lourd Pregnant, Expecting Baby No. 2 With Husband Austen Rydell: See Bump Debut Photos