Ryan Seacrest’s promise comes true at iHeartRadio Music Festival: Anything can happen

Over Friday and Saturday nights at T-Mobile Arena, the annual festival in Las Vegas made a virtue of its whiplash: Kenny Chesney in a straw cowboy hat tossing kisses to the crowd; Weezer turning “Beverly Hills” into a Vegas anthem; Cardi B bringing a full dance spectacle; BTS drawing ear-splitting and ear-piercing shrieks; and Snoop Dogg bringing down the arena curtain with Wiz Khalifa in tow …