Carrie Underwood has been announced as one of the performers at the iHeart Country Music Festival, alongside Maren Morris and Thomas Rhett, among others. The festival, hosted by Bobby Bones, will take place on May 7 at the Moody Center in Austin, Texas. The event will be broadcast live on iHeartMedia's country music radio stations and iHeartRadio.com. The festival is part of iHeartMedia's lineup of events, including the iHeartRadio Music Festival and iHeartRadio Music Awards. Tickets for the festival will go on sale to the public on February 4. St. Jude Children's Research Hospital is a partner for the event.