Grace plays keyboards, drums, and guitars. She signed with Casablanca Records in 2013 and moved to Los Angeles. Her debut EP 'Design' was released in October 2014 and was produced by Morgan Taylor Reid. Her follow-up EP 'Raceday' was released in November 2015 and was produced by Mark Foster and Rich Costey. In 2017 she has released several singles, 'Kids (Ain't All Right)', 'Bae', 'Now', 'Cali God', 'Come back for you', 'Capital Letters', and in September 'French Becky' co-written by Nate Donmoyer & Kam Mohager, with Cara Salimando.
Mitchell is included in the Coachella 2017 line-up.