Charlotte apparently said: Look! There s [Papa], when noticing William making his way across the stage to give his speech at the event in Windsor this evening, according to lip reader Jacqui Press.
William, his wife Kate, 41, and their two children attended the musical extravaganza at Windsor Castle on Sunday night, alongside other members of the Royal Family.
The Duchess of Edinburgh looked typically elegant as she joined Prince Edward, Lady Louise and James, Earl of Wessex, at the star-studded Coronation concert this evening.