The Queen has been treated to an impromptu rendition of the song Happy Birthday, following an Easter Mattins service at St George’s Chapel at Windsor Castle. This year, the monarch’s 93rd birthday coincided with Easter Sunday, the most important day in the Christian calendar. The Queen – who is head of the Church of England – wore a mint green coat and a matching hat with pink ribbon as she was joined by members of her family at St George’s Chapel Following an hour-long service, the Queen was presented with two posies – one yellow and one white – by