Katy Perry, Luke Bryan & Lionel Richie Talk ‘American Idol’ Reboot, Las Vegas Shootings…

Katy Perry, Luke Bryan & Lionel Richie Talk 'American Idol' Reboot, Las Vegas Shootings...‘American Idol’ is coming back, and the three new judges — Katy Perry, Luke Bryan and Lionel Richie — dropped by ‘GMA’ to talk the reboot, what it’s like working together, and their thoughts on the Las Vegas mass shooting.