2 Stars Will Replace Katy Perry & Lionel Richie on 'American Idol' When They Leave for Coronation - Find Out Who!

Katy Perry and Lionel Richie are briefly heading abroad.

The two stars will miss an upcoming live episode of American Idol, as they are due to perform for King Charles‘ coronation ceremony over the weekend.

In their place, two huge names in the music industry will be filling in as judges.

Find out who will be judging on American Idol…