Queen Elizabeth was puzzled by vodka luge at Prince William's 21st birthday says party planner The late monarch came face-to-face with the elephant-shaped ice sculpture in 2003, according to event planner Johnny Roxburgh Queen Elizabeth is said to have been left confused by a signature element of Prince William ’s 21st birthday party. As reported by the Daily Mail , the Prince of Wales, now 41, celebrated his milestone birthday at Windsor Castle with an "out of Africa"-themed bash back in 2003. According to royal family event planner Johnny Roxburgh, the party’s elephant-shaped vodka luge left the late monarch a bit puzzled. Speaking on Channel 5’s The Royal Borough: Kensington and Chelsea , airing Thursday in the U.K., the 73-year-old recalled William’s celebration and revealed how Elizabeth saw the luge while someone was pouring vodka into the elephant’s head and asked what it was. “I remember when it was William's 21st, [it] was a jungle theme,” said