How Katy Perry Is Handling 'American Idol' 

Katy Perry has a very busy schedule

The 38-year-old singer is slated to perform at the concert for King Charles III'

May 7 on the grounds of Windsor Castle in England.

same day, Perry will also have to judge the live show of American Idol, airing at 8 p.m

Perry quipped while speaking with ET's Matt Cohen after Monday's live taping of Idol.

Perry is excited for the opportunity to perform during the coronation festivities.

"I'm grateful I get to go