The choir was personally invited by Kate, 40, to sing for the Royal Carols: Together At Christmas - which will be broadcast tomorrow - and met the mother-of-three ahead of their performance.
Kate Middleton makes emotional tribute to the Queen in touching carol service nottinghampost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nottinghampost.com Daily Mail and Mail on Sunday newspapers.