The recently-widowed Lady Gabriella helped select music for the event and was said to have been excited to take part after a difficult year.

The Princess of Wales called on her friend Lady Gabriella Windsor to help organise her Together at Christmas carol concert at Westminster Abbey, who was touched to have been asked

Kate, who is married to Prince William, has invited fellow Royal Family member Lady Gabriella Windsor to help plan her annual concert.

Kate has been helped by Lady Gabriella Windsor for her Christmas carol concert which will see her personally address the UK to open proceedings.

The Princess of Wales asked Lady Gabriella Kingston to help her with her traditional Christmas carol service. Lady Gabriella was widowed in February when her husband, Thomas Kingston, died. In the months that followed, the...