Brittany Marie Amaradio, known professionally as Delacey, is an American singer and songwriter. Having co-written songs such as New York City for The Chainsmokers, Ruin the Friendship for Demi Lovato, and Without Me for Halsey, in March 2020, she released her debut album, Black Coffee. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.