Claudia Sulewski, Finneas and Billie Eilish

Claudia Sulewski, Finneas and Billie Eilish

1/70

The "Everything I Wanted" singer celebrated her record-breaking GRAMMY wins with her brother and his girlfriend at Universal Music Group's Lenovo-presented after-party at Rolling Greens Nursery in L.A. on Jan. 26.

Lester Cohen/Getty Images for Universal Music Group