ACM Party For A Cause Festival - Day 1 [Getty Images]

LAS VEGAS, NV - APRIL 04: (Back row, from L) Recording artists Kelby Ray, Jaren Johnston, and Neil Mason of music group The Cadillac Three and recording artists Tyler Hubbard and Brian Kelley of music group Florida Georgia Line and (front row, from L) recording artists ecording artists Thomas Rhett, Justin Moore, Cassadee Pope, Danielle Bradbery, RaeLynn, and Big Machine Label Group President and CEO Scott Borchetta attend day one of the ACM Party for A Cause Festival at The LINQ on April 4, 2014 in Las Vegas, Nevada. (Photo by Rick Diamond/ACMA2014/Getty Images for ACM)

Getty Images Entertainment Rick Diamond/ACMA2014