Billie Eilish Vest
Billie Eilish topped off her outfit with a black utility vest.
Billie Eilish Hoodie
Billie Eilish couldn't be missed in her bright yellow hoodie while headed to 'Kimmel.'
Billie Eilish Cargo Pants
Billie Eilish matched her top with a pair of yello cargo pants.
Billie Eilish Leather Sneakers
For her footwear, Billie Eilish chose a pair of yellow leather sneakers.