A spokeswoman at Buckingham Palace confirmed the Queen's official birthday is on June 16th this year.
There was some confusion as Diamond Jubilee concert acts Grace Jones, Stevie Wonder and Will.i.am all used their performances this evening to wish the Queen a happy birthday.
Happy Birthday Your Highness" Not one word of that right Will! Lol
Picnickers are enjoying a Heston Blumenthal feast in the Buckingham Palace Gardens before the Diamond Jubilee concert.
The Queen watched a star-studded Diamond Jubilee Concert outside Buckingham Palace on Sunday evening.
Here are some of the best pictures from the Diamond Jubilee River Pageant.