Coronation concert: Katy Perry and Take That gear up to perform

Katy Perry, Lionel Richie and Take That are among the stars who volition instrumentality to the signifier for the coronation performance later.

Nicole Scherzinger, Olly Murs, Paloma Faith and Andrea Bocelli volition besides execute astatine the lawsuit astatine Windsor Castle.

Hugh Bonneville volition big the concert, which is being held to observe the coronation of King Charles connected Saturday.

The amusement volition beryllium attended by 20,000 members of the nationalist and aerial connected BBC One and BBC Radio 2 from 20:00 BST.

Other names connected the line-up see members of the Royal Ballet, the Royal Opera, the Royal Shakespeare Company, the Royal College of Music and the Royal College of Art.

The royal patronages volition travel unneurotic for the archetypal clip to make a one-off show featuring Sex Education prima Ncuti Gatwa, who takes implicit the starring relation successful Doctor Who aboriginal this year, and Olivier Award nominee Mei Mac.

The performance volition besides diagnostic pre-recorded video sketches from Top Gun prima Tom Cruise, Dynasty histrion Dame Joan Collins, adventurer Bear Grylls and vocalist Sir Tom Jones, who volition recite little-known facts astir the monarch.

The amusement volition beryllium hosted by histrion Hugh Bonneville, who is champion known for appearing successful Downton Abbey and the Paddington films.

In a connection past month, Bonneville said: "I'm delighted to beryllium taking portion successful this unsocial event, celebrating the champion of philharmonic amusement successful honour of His Majesty's coronation.

"In existent British style, travel rainfall oregon radiance it volition beryllium a nighttime to remember."

Bonneville's engagement is being considered by immoderate arsenic a subtle motion to the precocious Queen Elizabeth II, who appeared successful a sketch with Paddington Bear for her Platinum Jubilee.

Strictly prima Oti Mabuse, guitarist Steve Winwood, and chromatic enthusiast Winnie the Pooh volition besides look astatine the concert, portion Bollywood prima Sonam Kapoor volition present a spoken connection performance.

The performance volition beryllium staged successful the eastbound terrace of Windsor Castle. Last week, the BBC released artist's mock-ups of however it volition look.

The corp said the signifier had been designed "with a unsocial imaginativeness to respond to its historical tract and occasion".

The signifier volition lucifer the Union Jack flag, with catwalks jutting retired from the centre. It volition framework the eastbound façade of Windsor Castle, and make aggregate levels for the 70-piece orchestra and band.

As acheronian falls down the castle, its façade "will go live with projection and light", the BBC said.

The coronation performance volition apt pull a immense TV audience, and the those performing tin expect a bump successful streaming and income numbers arsenic a result.

But immoderate stars reportedly declined the invitation to execute astatine the coronation performance for logistical reasons.

Sir Elton John is presently touring successful Berlin, portion Ed Sheeran is playing a gig successful Texas connected Saturday.

Kylie Minogue reportedly turned down an invitation to execute due to the fact that of increasing enactment sentiment successful her autochthonal Australia.

Other stars reported to person declined see Adele, who lives successful Los Angeles, Harry Styles and the Spice Girls.

Two of the performers astatine the performance - Perry and Richie - are besides judges connected American Idol, which is presently broadcasting its 21st season.

As some volition beryllium successful Windsor for the coronation concert, Alanis Morissette and Ed Sheeran person been booked to service arsenic impermanent judges for this week's American Idol unrecorded show.

But Perry and Richie volition inactive look connected the programme, appearing unrecorded via outer from the UK to cheque successful connected the contestants.

Tickets were allocated by Ticketmaster via a nationalist ballot, but determination was immoderate contention past period aft immoderate members of the nationalist mistakenly believed they'd won tickets aft receiving a confusingly-worded email from the company. Ticketmaster emailed immoderate applicants to accidental they had been "successful successful the ballot for a brace of lasting tickets". However, successful bid to assertion the tickets, fans had to click connected the nexus included successful the email bid to redeem them. By the clip galore fans saw the email and clicked through, they were disappointed to observe they had each gone. Those who recovered they were successful information not successful, contempt initially believing they had been, went connected to vent their vexation and disappointment connected societal media. A Ticketmaster spokesperson said astatine the time: "Today, immoderate unclaimed tickets were released connected a first-come, first-served ground to those who had antecedently applied to the ballot and were unsuccessful. These inevitably went precise quickly." The institution added that tickets which had been secured successful the archetypal 2 rounds were guaranteed.