Princess Charlene and Katy Perry among the royals, celebrities and world leaders to attend King Charles's coronation

Plenty of decisions surrounding King Charles‘ coronation just seem like the typical compromises when planning a huge event. It was “slimmed down” but still massive, Prince Harry was invited but played no role, that kind of thing. One thing we still can’t quite understand? The booking of the concert performers!

American Idol might be the last show we’d expect to share a synergy crossover with the coronation of the next British monarch, but here we are!

took Charles and Camilla’s wedding photos in 2005, snapped the pictures immediately after the 74-year-old monarch was officially crowned at Westminster Abbey on May 6, reports the BBC.Dressed in the Robe of Estate and wearing the Imperial State Crown, Charles looked regal in Buckingham Palace’s Throne Room. The new monarch is captured holding the Sovereign’s Orb and Sovereign’s Scepter with Cross in his often-mocked “sausage” fingers.

Princess Kate and Prince William were in great company Sunday for King Charles III coronation concert at Windsor Castle. Their two eldest children, Prince George and Princess Charlotte, appeared to be having a blast while sitting in the royal box to watch the show with 20,000 revelers. The family cheered along as Nicole Scherzinger took the stage to sing before Katy Perry and Lionel Richie performed for the new king and queen.

K.J. Yossman Katy Perry had the young British royals dancing in their seats with a dazzling rendition of her hit song “Roar” at a concert in honor of King Charles III’s coronation. Taking to the stage at Windsor Castle in a Disney Princess-inspired gold ballgown, the singer performed two songs from her repertoire: “Roar” and “Firework.” During “Roar,” which also featured an accompanying drone show of a lion in the sky above the stage, King Charles’s grandchildren Prince George and Princess Charlotte could be seen bopping along in their seats, with Charlotte apparently singing along.

Katy Perry, Lionel Richie and Tom Cruise led the American contingent joining a list of international artists performing at the UK’s first ever Coronation Concert on Sunday evening.

Around 2,000 guests were inside Westminster Abbey on Saturday to witness the coronation of King Charles III and his wife Queen Camilla. World leaders, foreign royalty and members of the public attended the historic event.

Meghan Markle didn’t attend King Charles‘ coronation on Saturday (May 6)… Or did she?

King Charles and Queen Camilla‘s Coronation was a family affair!

Katy Perry is among the headliners at Sunday’s coronation concert, and was also an invited guest to the coronation ceremony in Westminster Abbey.

Prince Harry and his uncle Prince Andrew put aside their personal royal dramas to attend the coronation of King Charles III and his wife Queen Camilla. The Duke of Sussex was all smiles as he chatted with his cousin Princess Beatrice and her husband Edoardo Mapelli Mozzi before walking into Westminster Abbey on Saturday in London.The 38-year-old sat in the third row next to another cousin, a heavily pregnant Princess Eugenie, and her husband Jack Brooksbank. The 38-year-old’s wife, Meghan Markle, was noticeably absent from the ceremony.The Duchess of Sussex stayed behind in the couple’s home in California with their two children, Prince Archie and Princess Lilibet.

The stars are stepping out to support King Charles and Queen Camilla on their big day!

A truly A-list event. Celebrities including Lionel Richie and Jill Biden attended King Charles III‘s coronation ceremony at Westminster Abbey in London on Saturday, May 6.

Showing their support. Princess Kate’s parents, Carole and Michael Middleton, and sister, Pippa Middleton, were in attendance at King Charles III‘s coronation ceremony on Saturday, May 6.

Catherine, Princess of Wales‘ family arrived at Westminster Abbey to support King Charles and Queen Camilla at the Coronation on Saturday (May 6) in London, England.

A family affair! King Charles III received an outpouring of support from his royal relatives — including all three of his siblings — during his coronation on Saturday, May 6.

Katy Perry is one of the many celebs who will be attending King Charles’ Coronation and she was spotted in a large pink hat while arriving at Westminster Abbey.

Flying solo. Prince Harry returned to the United Kingdom for the coronation of his father, King Charles III, but he did so without wife Meghan Markle.

Ant and Dec are among the guests at Westminster Abbey in London today to watch King Charles' Coronation. Before the historic ceremony, the presenting pair caught up with Loose Women star Charlene White, where they spilled on a hilarious moment during their stay at Dumfries House – Charles’ house in Scotland.The pair revealed they bumped into the King, 74, during their sleepover at the house.

The historical day is looming just around the corner, as King Charles will officially be crowned as the new head of state on Saturday, May 6. The 74-year-old monarch will be joined by his wife Queen Camilla.