Kelsea Ballerini and Halsey have become a captivating tandem, as of late. In addition to teaming up for the 70th episode of CMT Crossroads, which will air on March 25 at 9 p.m. CT., the cross-genre stars collaborated on a new song, “The Other Girl,” which is featured on Kelsea’s new self-titled album. While Kelsea,…… MORE