Gary Barlow Performs For Prince Wills & Kate Middleton
The X Factor judge was also joined by Olly Murs & Marcus Collins on stage...
The Take That frontman joked with Wills and Kate, telling the Prince: "I hope you enjoy tonight and I hope it's not too loud."
Speaking after the show, Barlow told the BBC: "It's been great. Both nights were amazing; people have been buying lots of merchandise which all goes to a good cause."
The event raised finds for both the Prince's Trust and The Foundation of Prince William and Prince Harry - with Gary adding to The Sun that he "wasn't nervous" performing for his royal guests.