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. She is currently working on her second album The Girl Has A Dream, featuring single "Boy With The Blues."

"Without Me" is a song by American singer Halsey, released on October 4, 2018. Halsey wrote the song with Brittany Amaradio, Amy Allen, and Louis Bell; while production was handled by Bell and Dylan Bauld. It interpolates Justin Timberlake's "Cry Me a River" with Timberlake, Timbaland and Scott Storch credited as co-writers. It was released through Capitol Records as the lead single from Halsey's third studio album, Manic.