The royal wedding may be over, but the celebration has just begun! Queen Elizabeth II has kicked the festivities off with a lunchtime reception for her grandson, her new grandaugher-in-law, and 600 guests besides 鈥 including Sir Elton John.

As a statement via the palace confirms, rather than simply partaking in the royal feast of canap茅s and Pol Roger Brut Reserv茅 Non-Vintage Champagne, however, Princess Diana鈥檚 former comrade took to the piano to perform for the crowd at the request of Prince Harry himself.

鈥淪ir Elton performed for the newly married couple in recognition of the close connection he has with Prince Harry and his family,鈥 it read.

There鈥檚 no word on whether or not the musical icon performed the updated version of the 1973 hit he sang at Princess Diana鈥檚 funeral, 鈥淐andle in the Wind (Goodbye England鈥檚 Rose,鈥 but the Daily Mail reports that he did belt other favorites, including 鈥淵our Song,鈥 鈥淭iny Dancer,鈥 鈥淐ircle of Life,鈥 and 鈥淚鈥檓 Still Standing.鈥

Sir Elton John and Princess Diana met back in 1981 at Prince Andrew鈥檚 21st birthday party at Windsor Castle. 16 years later, she was there to comfort her friend at the funeral of fashion legend Gianni Versace.

In addition to John鈥檚 performance, guests were also treated to speeches from Prince Charles, Prince William, and Prince Harry.

What鈥檚 your favorite Elton John song? Share with us over @BritandCo.

(Photos via Chris Jackson + Gerard Julien/AFP/Getty)