Where and When to Watch King Charles III’s Official Royal Coronation

It’s a British invasion! King Charles III and Queen Camilla appeared on American Idol after Katy Perry and Lionel Richie played at the coronation concert on Sunday, May 7.

Michael Schneider Variety Editor at Large Lionel Richie and Katy Perry weren’t able to perform their normal tasks as judges on Sunday night’s “American Idol,” as they were across the pond performing for the coronation of King Charles III. So they brought back a souvenir for the show: The actual just-crowned King and Queen. King Charles III and Queen Camilla were surprise guests on “American Idol,” in a pre-taped package introduced at the start of the show by host Ryan Seacrest. The clip opens with Richie and Perry, in a room that appears to be inside Windsor Castle. Suddenly, in walks the King and Queen. “I just wanted to check, how much, how long you’ll be using this room for?” King Charles quipped to Richie. Charles then thanked Richie for attending and performing at the coronation. “Thank you so much for your brilliant performance and it was great,” he said.

 saw a newly crowned King Charles III and Queen Camilla give a royal surprise to audiences from across the pond with judges Katy Perry and Lionel Richie.Charles and Camila's surprise appearance on the long-running singing competition series came at the start of Sunday's show and just hours after both Perry and Richie performed at the king's coronation concert at Windsor Castle.Perry and Richie, who were broadcasting live from the castle for their address, were met by the new monarchs who jokingly asked how long they were planning to use the room for.Jokes aside, both Charles and Camilla thanked the singers for their «brilliant» performances and invited Perry and Richie to the concert's afterparty as soon as they wrap up their Idol duties.The coronation concert proved to be an exciting one for the judges, with Richie getting Charles up on his feet with his hits, «Easy (Like Sunday Morning)» and «All Night Long,» and Perry moving Princess Charlotte to sing along to «Roar,» before having the entire audience feeling like a «Firework.»Ahead of the special concert, Perry dished to ET about the opportunity to have a part to play in the festivities. «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, which is an organization that helps fight to end child trafficking,» Perry told ET last month. «So I'm also an ambassador for UNICEF, and it really aligned with my values.

Princess Anne made her own mark during King Charles III’s coronation on Saturday.

A modern monarch. King Charles III broke tradition with his coronation outfit on Saturday, May 6. 

Princess Anne made her own mark during King Charles III's coronation on Saturday. Unlike other women who attended, and even took part in the ceremony, Anne, 72, was dressed in a uniform with military regalia. The princess royal had an important role in the ceremony, which royal watchers had the chance to see her fulfill after the service.Anne, who was the Gold-Stick-in-Waiting, rode horseback behind the new king and his queen, Camilla, as they rode in the Gold State Coach from Westminster Abbey to Buckingham Palace.

A new era! King Charles III’s official coronation has concluded with members of the royal family greeting the public from the Buckingham Palace balcony.

coronation service for his father King Charles III, 74, and is en route to the airport.The Duke of Sussex will make it home to California in time for son Archie’s 4th birthday party, the source added.Harry — who looked sad and lonely at the ceremony — spent less than 24 hours in the UK, arriving on a commercial flight Friday evening.He spent the night at Frogmore Cottage, despite being kicked out earlier this year by Charles so the home could go to his own brother, Prince Andrew.The duke arrived to King Charles’ coronation at Westminster Abbey solo, sans wife Meghan Markle, 41. This was the first time he has seen his father since he released his bombshell memoir, “Spare,” in January.Harry arrived with his cousins, Princess Beatrice and Princess Eugenie.

Taking in the moment. Princess Kate showed her father-in-law, King Charles III, a subtle sign of respect during the coronation.

Catching up. Prince Harry and Princess Anne chatted while in attendance at King Charles III‘s coronation in London on Saturday, May 6.

Queen Elizabeth II's ceremony occurred on June 2, 1953, while her son, King Charles III, had the crown bestowed upon him on Saturday in a ceremony that also formalized his role as the head of the Church of England and marked the transfer of his title and powers.  Queen Elizabeth was only 27 years old when her big day finally came calling, though she had to wait 15 months between her ascension to the throne and her coronation. Meanwhile, Charles was 74 on his coronation day, but he only had to wait two days shy of eight months from when he ascended the throne to his coronation 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.

Scots and tourists alike have turned out in droves in Edinburgh to see King Charles III crowned. The capital was caked in a fog that refused to ease on Saturday morning.

Timeless lady! Princess Kate arrived at King Charles III’s coronation in a regal outfit fit for a royal.

Playing his part. Prince George looked all grown up as he participated in the coronation of grandfather King Charles III on Saturday, May 6.

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.

Prince Andrew made a low-key appearance at his older brother King Charles III’s official coronation on Saturday, May 6.

King Charles III's coronation, formalizing his role as the head of the Church of England, marks the transfer of his title and powers and the official moment he is crowned king.King Charles will be crowned with the St Edward's Crown from the 17th century, which weighs nearly five pounds, has a solid gold frame and 444 stones.Meanwhile, his wife, Camilla Parker Bowles, will be anointed and crowned as queen. Camilla will be the first divorcee to be crowned, and the coronation invitation that was released in April made headlines when it referred to her as Queen Camilla for the first time.

King Charles III's coronation, formalizing his role as the head of the Church of England, marks the transfer of his title and powers and the official moment he is crowned king.King Charles will be crowned with the St Edward's Crown from the 17th century, which weighs nearly five pounds, has a solid gold frame and 444 stones.Meanwhile, his wife, Camilla Parker Bowles, will be anointed and crowned as queen. Camilla will be the first divorcee to be crowned, and the coronation invitation that was released in April made headlines when it referred to her as Queen Camilla for the first time.

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.