Katy Perry and Lionel Richie are among the acts who are set to be part of King Charles III’s Coronation Concert.

And as a result they are leaving two vacancies temporarily open from their American Idol judges panel as the 38-year-old singer Perry revealed recently that she will be replaced by a ‘big time’ guest.’

It has since been revealed that they will be replaced by two very popular singers; one more known for their hits from the past and another who has had megahits more in the present day.

One is Canadian-American and had incredible success throughout he 1990s including one of the most popular revenge songs of all-time while the other is a British singer who is currently a worldwide sensation with their highly-popular pop rock.

Can you guess who these two hitmakers are?

Leave of absence: Katy Perry and Lionel Richie are among the acts who are set to be part of King Charles III’s Coronation Concert and as a result they are leaving two vacancies temporarily open from their American Idol judges panel

They are Alanis Morissette and Ed Sheeran!

Perry and Richie were revealed to have been added to the lineup of The Coronation Concert last month.

Artists such as Andrea Bocelli and Take That are also scheduled to perform during the event.

Thousands of guests are expected to attend King Charles’ coronation, including First Lady Jill Biden, who will serve as a representative of the United States.

The Dark Horse singer, 38, previously spoke to Entertainment Tonight regarding her appearance at The Coronation Concert and joked that a ‘hologram’ was developed to fill in for her on American Idol.

The hitmaker went on to speak about her connection to King Charles, with whom she has worked on various charitable efforts. 

Opening up: The hitmaker went on to speak about her connection to King Charles, with whom she has worked on various charitable efforts; they are seen in 2020

‘I’m grateful I get to go. I met His Majesty to be a few years ago and he named me as one of the ambassadors to his organization, The British Asian Trust.’

The singer added ‘I’m also an ambassador for UNICEF, and it really aligned with my values.’

Perry also described her opportunity to perform at the upcoming concert as ‘so cool.’

The Coronation Concert is currently scheduled to take place on Sunday, May 7.