Mary Danielle Lambert (born May 3, 1989) is a Seattle-based singer, songwriter and spoken word artist. She worked with Macklemore and Ryan Lewis on a track on their album The Heist. Lambert is the featured artist of their gay rights single, "Same Love". Lambert's contributions to "Same Love" draw upon her experiences as "a lesbian growing up in a tumultuous, Christian upbringing." Lambert took the content she created for "Same Love" and used it to develop the song "She Keeps Me Warm" which she released on July 30, 2013. A music video was released on Vevo on August 24.