Luke Bryan on Who Is Filling in For Katy Perry, Lionel Richie on 'Idol' Amid Their Coronation Gig (Exclusive)

etonline.com:

Luke Bryan is teasing on who is filling in for Katy Perry and Lionel Richie on  next week while they're on coronation duty, and the country star tells ET the fill-ins are «big time.»ET's Cassie DiLaura caught up with the «Play It Again» crooner Friday ahead of his headlining performance at Stagecoach in the California desert and shared viewers will love what the singing competition has in store.«It's big time.

It's big time,» Bryan said. «The people that we have filling in, contestants have used their songs many, many times. A lot more than mine!»Bryan quipped he couldn't share more deets on account that he did not want to get kicked off.

Fair enough! Fans will just have to wait and see who will join Bryan on the judge's table while Katy and Lionel take part in a historic weekend.

Katy and Lionel will perform at the concert for King Charles III's coronation on Sunday, May 7 on the grounds of Windsor Castle in England.That same day,  airs its live show at 8 p.m.