2015 iHeartRadio Music Festival - Night 2 - Backstage

(L-R)Musicians Joe Trohman, Peter Wentz, Andy Hurley and Patrick Stump of Fall Out Boy attend the 2015 iHeartRadio Music Festival at MGM Grand Garden Arena on September 19, 2015 in Las Vegas, Nevada.
(Sept. 18, 2015 - Source: Bryan Steffy/Getty Images North America)