Just Duet: John Anderson, Deana Carter, Eric Church, Brandy Clark, Brett Eldredge, Sara Evans, Brantley Gilbert, Hunter Hayes, Alan Jackson, Ashley Monroe, Kip Moore, David Lee Murphy, Joe Nichols, Jake Owen, Reba, Marty Stuart, Cole Swindell, Keith Urban, Brooks & Dunn, Bob Romeo, Sarah Trahern, Lady Antebellum and The Band Perry will perform at the 3rd Annual ACM Party for a Cause Festival April 17 and 18 at Globe Life Park in Arlington, TX. The festival will be taped for a two-hour show, ACM Presents: Superstar Duets, which airs May 15 on CBS-TV. Proceeds go to ACM Lifting Lives as well as military charities Folds Of Honor Foundation, Wounded Warrior Project, Navy Seal Foundation and Task Force Dagger Foundation. Full lineup and ticket info here.