Here is how the coronation events unfolded. All times Eastern.
May 06, 2023, 5:20 AM EDT
Katy Perry among celeb guests at Westminster Abbey
Music superstar Katy Perry is among the celebrities attending Charles' and Camilla's coronation.
Perry, who is performing at Sunday's coronation concert, is wearing a purple skirt suit complemented by a purple hat.
Katy Perry and Edward Enninful arrive at Westminster Abbey ahead of the Coronation of King Charles III and Queen Camilla, May 06, 2023 in London.
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Other celebrities in attendance at Westminster Abbey include Emma Thompson, Lionel Richie and U.S. first lady Dr. Jill Biden.
First Lady of the United States, Dr Jill Biden, and her granddaughter Finnegan Biden ahead of the Coronation of King Charles III and Queen Camilla, May 6, 2023 in London.
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US pop star Lionel Richie arrives at Westminster Abbey in central London, May 6, 2023, ahead of the coronations of Britain's King Charles III and Britain's Camilla, Queen Consort.
Gareth Cattermole/POOL/AFP via Getty Images
May 06, 2023, 5:08 AM EDT
1st look at Charles, Camilla on coronation day
Charles and Camilla, the Queen Consort, made their first appearance on their history-making day, traveling from Clarence House to Buckingham Palace.
The king and queen were photographed traveling by car to the palace.
Britain's King Charles is seen in a car ahead of his coronation of in London, May 6, 2023.
Paul Childs/Reuters
May 06, 2023, 4:59 AM EDT
Police make 'a number of arrests' amid protests
London's Metropolitan Police Service announced via Twitter that its officers "have made a number of arrests in the area of Carlton House Terrace," which is just west of Trafalgar Square.
"The individuals have been held on suspicion of breaching the peace," police added.
Earlier, officers also arrested four people in the area of St. Martin's Lane, which is just north of Trafalgar Square.
"They were held on suspicion of conspiracy to cause public nuisance," police said. "We seized lock-on devices."
Police officers detain a member of "Just Stop Oil" movement as people gather to watch the procession during the Coronation of King Charles III and Queen Camilla, May 6, 2023 in London.
Wpa Pool/Getty Images
An additional three people were arrested in the area of Wellington Arch, which is situated between the corners of Hyde Park and Green Park, just west of Buckingham Palace.
"They were held on suspicion of possessing articles to cause criminal damage," police said.
Hundreds of anti-monarchy protesters are gathered in Trafalgar Square.
May 06, 2023, 4:53 AM EDT
First Lady Jill Biden joins world leaders at coronation
Dr. Jill Biden has arrived at Westminster Abbey to represent the United States at the coronation. She traveled to the U.K. with her granddaughter, Finnegan Biden, who is also attending the coronation.
First Lady Jill Biden attends the Coronation of King Charles III and Queen Camilla on May 06, 2023 in London.
Jeff Spicer/Getty Images
The first lady, dressed in blue, is seated next to Ukrainian first lady Olena Zelenska. The two first ladies also saw each other Friday night at a reception at Buckingham Palace, where they posed for a photo with Kate, the Princess of Wales.
Ukrainian first lady Olena Zelenska walks outside Westminster Abbey ahead of Britain's King Charles' coronation ceremony, in London, May 6, 2023.
Dylan Martinez/Reuters
Around 100 heads of state and 20 royal families are attending today’s coronation.
The world leaders were welcomed Friday night at a private reception at Buckingham Palace.