Ingrid Andress will also make her CMT main stage debut in a world premiere performance with J.P. Saxe.
The event's truly seminal bill also includes the likes of Katy Perry, Chris Stapleton and Bob Seger & The Silver Bullet Band.
Chris Stapleton, Leon Bridges and Norah Jones have already been confirmed for the event, which in 2019 honors country legend Dolly Parton.
Shawn Mendes, Pink and Mark Ronson also on board for Grammy weekend salute to country legend.
Other honorees included Luke Combs, Kacey Musgraves and Brothers Osborne.
The seventh edition of Europe's biggest musical festival will also star Lyle Lovett, Drake White, Ashley McBryde and many more.
The 2018 CMA nominees were announced with Chris Stapleton, Dan + Shay, Keith Urban, Jason Aldean and Miranda Lambert leading the pack.
Walsh's non-profit VetsAid raises money and disburses grants to veterans’ services organizations nationally and locally.
The fast-rising Nashville-based trio also reveal that they’ve already completed a follow-up to 2017’s 'Legacy',
Kelsea Ballerini, Luke Bryan, Kelly Clarkson, Sam Hunt and Blake Shelton are also slated to take to the stage.
Other big winners included Ed Sheeran, Chris Stapleton and Luis Fonsi & Daddy Yankee with 'Despacito'.
The nominees for the Billboard 2018 Music Awards are out with Kendrick Lamar, Bruno Mars and Ed Sheeran leading the pack with 15 nominations each.
The 53rd annual country gala also saw big wins for Jason Aldean, Rhett Akins and many more.
Listen to Chris Stapleton's remake of Elton John's I Want Love, from Restoration, one of two new collections of Elton remakes alongside Revamp.
Chris Stapleton has no fewer than eight nominations for 2018's 53rd ACM (Academy of Country Music) Awards, which take place on 15 April.
Grammy Awards-winning country star Chris Stapleton has announced an extensive All-American Road Show tour for the summer and fall of 2018.