Grey is an American electronic music duo consisting of brothers Kyle and Michael Trewartha. They are best known for their debut 2016 single "Starving", with American singer Hailee Steinfeld and production work by Zedd, and "The Middle", a 2018 single in collaboration with Zedd and Maren Morris. They primarily produce music of the future bass genre.

Hailee Steinfeld is an American actress and singer. She had her breakthrough with the western film True Grit (2010), which earned her various accolades, including nominations for an Academy Award and a BAFTA Award.