Grammy Award-winning artist/producer duo The Chainsmokers (Alex Pall and Andrew Taggart) announced their massive World War Joy North American Tour. Multi-platinum Australian band 5 Seconds of Summer join the tour on all dates along with rising pop star Lennon Stella. The 41-city tour, produced by Live Nation, kicks off on September 25 in Cincinnati, OH and makes stops in major cities across the U.S. including their first-ever performance at Orlando’s Amway Center on Saturday, October 26.