To close the coronation concert, British pop group Take That performed for the first time in four years.
The group was accompanies by German DJ Robin Schulz and Britain's Got Talent star Calum Scott.
Take That finished the concert to a huge applause.
US pop star Katy Perry roared on stage singing her hit Roar for the crowd.
She adorned a golden ball gown with large, sweeping train.
She followed the performance of Roar with her other hit Firework which she dedicated to the King.
"Thank you for bringing out the firework in so many young people," she said.
Prince William gave a touching tribute to his father and late grandmother.
"I know she's up there, fondly keeping an eye on us. She would be a very proud mother," he said.
The Prince said he and the family and incredibly proud of King Charles III.
Lionel Richie got everyone on their feet performing two of his hits Easy and All Night Long.
The King was even reportedly spotted jiving along to the star's performance.
Richie was the only star allowed to perform two hits at the concert.
Opera legends Bryn Terfal and Andrea Bocelli sang Gerry and the Pacemakers hit You'll Never Walk Alone.
Nicole Scherzinger performed a heart-wrenching rendition of Reflection from Disney's Mulan.
Pop star Olly Murs performed with a plethora of fun dance moves at the beginning of the concert.
Crowds have gathered for the concert at Windsor Castle in the UK celebrating the coronation of King Charles III.
It is one of several events over a three-day weekend of celebrations.
More than 20,000 people are in attendance at the star-studded concert.
Music icons like Katy Perry, Lionel Richie, Paloma Faith, Bette Midler and Pete Tong will be performing.
It didn't come without its hiccups, with crowds stuck in a deadlock while trying to squeeze into Windsor Castle's grounds.
Here we can see the members of the royal family joining for the coronation concert.
King Charles III, Queen Camilla, as well as Catherine, Princess of Wales, and Prince William and their children Charlotte and George.
The King and Queen wave to the masses preparing to let their hair down in the final event of the historic weekend.
The Prince and Princess of Wales arrive at the coronation concert.
Catherine looks regal in a red suit while her husband adorned a dark navy suit.
Prince Edward, Lady Louise Windsor and Sophie, the Duchess of Edinburgh, arrive at the coronation concert.
Sophie is seen waving energetically towards the crowd.
Prince Andrew was in attendance to celebrate the coronation of his brother.
British royal Zara Tindall and her husband Mike Tindall were among the illustrious guest list for the concert.