Gary Barlow and Dame Shirley Bassey have joined the line-up for the Queen's 90th birthday celebrations, which will be broadcast live on ITV on Sunday. They join an impressive line-up of stars including Katherine Jenkins, Kylie Minogue and Jess Glynne who are set to participate in the celebrations, hosted by Ant and Dec.
Speaking about their involvement in the event, Ant and Dec said: "We are honoured to be hosting this special celebration of Her Majesty the Queen's 90th Birthday. This spectacular evening will bring together some of the best known names in the entertainment world who will perform with 900 horses and 1500 participants to mark this very special birthday."
Gary Barlow has joined the line-up for the Queen's 90th birthday celebrations
Meanwhile Katherine Jenkins said of her performance: "I couldn't be more excited or more honoured to be part of Her Majesty The Queen's 90th Birthday Celebrations at Windsor Castle.
"Reaching 90 in anyone's life is a huge reason to celebrate, but 90 years of our Monarch is absolutely remarkable! I look forward to joining forces with the other invited performers to create a Birthday to remember!"
Dame Shirley Bassey will also perform for the Queen
More than 900 horses and 1500 participants will join the celebrations, which will tell the story of the Queen's life from her birth in 1926 to her coronation and reign spanning more than 60 years.
Joining the line-up are Andrea Bocelli, Alfie Boe, James Blunt and Beverley Knight. A number of actors will also take to the stage, including Star Wars leading man Dame Helen Mirren and Jennifer Saunders.
The Queen turned 90 on 21 April
Guests will also be treated to performances in the arena from acts including The King's Troop Royal Horse Artillery, the Household Cavalry Mounted Regiment and the Royal Cavalry of the Sultanate of Oman.
The evening will cap off four nights of performances in the grounds of Windsor Castle, which will be attended by members of the royal family.
The Queen's 90th Birthday Celebrations airs Sunday 15th May at 8.35pm on ITV.