Ryan Seacrest on Texts From 'Sweet' Vanna White Ahead of Wheel of Fortune Hosting Gig

Ryan Seacrest chats backstage with ET's Cassie DiLaura in Las Vegas at night one of the iHeartRadio Music Festival, which streamed live on Hulu. Ryan dishes on coming back to host the event again and shares which artists he's excited to see this year. He also spills on if he might be able to get *NSYNC to perform at next year's festival.