Popsugar Celebrity The Royals When Is Queen Elizabeth II's Birthday? Just How Does the Queen Celebrate Her Birthday? April 21, 2017 by Marcia Moody View On One Page Photo 11 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 11 1953 A carefree queen at Badminton Horse Trials with her sister Margaret on her 27th birthday — her last birthday before her coronation. Previous Next Start Slideshow The RoyalsQueen Elizabeth IICelebrity FactsThe British Royals