A day before the 53rd Annual ACM Awards get underway in Las Vegas, Kelsea Ballerini will be joining celebrity fitness trainer Erin Oprea to host the inaugural ACM Workout For A Cause: Erin Oprea Unleashed Tour. On April 14, Erin and Kelsea will appear at Stoney's Rockin' Country in Las Vegas to lead participants in an hour-long, group workout that will be set to a high-energy soundtrack. Together, the two will demonstrate how everyone's favorite country stars stay healthy and toned, while also raising money for the Academy of Country Music's charitable arm, ACM Lifting Lives.To purchase tickets, visit acmworkoutforacause.eventbrite.com.