Post Malone will perform at 2019 Cheyenne Frontier Days, a country music and western festival in Cheyenne, Wy. The event, which runs July 19-28 this year, offers nearly two weeks of rotating performances and rodeo events. Post Malone is headlining the festival on July 25, sandwiched between country royalty names like Tim McGraw, Keith Urban, and Miranda Lambert. Tickets for Post Malone's show will go on sale Friday, Mar. 8 at 9AM MST.