Charles then led a round of cheers from members of the audience.
After nearly two hours of performances from a string of celebrities, including Australia's Kylie Minogue, the heir to the British throne joined the Queen on stage to wish her a happy birthday.
Ahead of her celebration, the queen formerly named Prince Charles her successor, putting an end to speculation that she may choose to skip him in favor of his son, Prince William.
Prince Harry and fiancée Meghan Markle also attended, generating a roar of applause when they took their seats.
At the concert's venue at Royal Albert Hall, you can see Markle standing beside Harry in the same box as the 92-year-old monarch and the rest of the royal family.
Prince William was also in attendance, riding in the auto with Harry and Markle, but his wife Kate Middleton, pregnant with their third child, opted to stay home. He is recovering from hip replacement surgery. Hyde Park, the Tower of London, and the town of Windsor staged honorary gun salutes to mark the special occasion.
Canadian Shawn Mendes was among the performers.
The queen has led the disparate group, made up of Britain and its former colonies, since she took the throne in 1952. This year, her official birthday is set for Saturday, June 9, according to the Household Division's website, and will be celebrated with a Trooping the Colour parade in London.
State media went into overdrive Wednesday with a single message: Cuba's system is continuing in the face of change. Senate Foreign Relations Committee, insisted that the Castro regime remains in place despite the new leader.
Former Tottenham forward Alan Brazil does not seem to have been impressed with Pochettino's attitude towards the FA Cup . But Alexis Sanchez levelled in the 24th minute and Ander Herrera struck the victor in the second half.