Post Malone brought the Big Ass Stadium Tour to Empower Field at Mile High in Denver on Sunday, June 15, with star-studded support from Jelly Roll, Wyatt Flores and Chandler Walters.

The singer-songwriter graduated from Grapevine High back in 2013. Post Malone wasn’t in the band, but you can bet the current members are proud to rep his alma mater. "Thank you!