At the start of 2017 Chelsea released her next single, "Your Shirt", which quickly brought her into the spotlight. The song has garnered over 30 million Spotify streams, and went on to become the lead single from her self-written and self-produced debut EP, Snow In October, released on October 6. The EP, which also features follow-up singles “You Make Me” and “Sixteen”, helped solidify her place as one of the most exciting emerging artists of 2017, being named part of Refinery29’s “Next Generation Of Music Superstars” and cosigned by MTV.
She will kick off 2018 on her first national tour supporting Quinn XCII, with whom she has collaborated on “Giving Up Ground” from her EP, and the buzzing new single “Flare Guns” off Quinn’s debut album. In addition to these collaborations, Chelsea has also lent her vocals and writing on songs for Louis The Child, Adventure Club, Chet Porter, and ayokay.