Boris Johnson will today be joined by gold album selling opera duo Jonathan & Charlotte for a magenta and purple Christmas celebration.
In recognition of the work of the Team London Ambassadors, Games Makers, Travel Ambassadors and other Olympic volunteers, the Mayor is hosting a ticketed Carol Concert in Trafalgar Square.
An audience of 3500 volunteers will be treated to a performance by Jonathan & Charlotte and two accomplished 17 year olds from Essex, who shot to fame when they performed on this year's Britain’s Got Talent.
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