In addition to her career as a musician , Lennox is also a political and social activist , notable for raising money and awareness for HIV / AIDS as it affects women and children in Africa . In 2011 , Lennox was appointed an Officer of the Order of the British Empire by Queen Elizabeth II for her " tireless charity campaigns and championing of humanitarian causes " . On 4 June 2012 she performed at the Queen 's Diamond Jubilee Concert in front of Buckingham Palace . Lennox performed the song " Little Bird " during the 2012 Summer Olympics closing ceremony in London on 12 August 2012
2012 Summer Olympics closing ceremony
2012 Summer Olympics closing ceremony
Annie Lennox