U.S. Ambassador to the United Kingdom Matthew Barzun (L) holds a light from his mobile phone for singer Elton John as he speaks at a reception at The U.S. Ambassador's London residence, Britain, November 4, 2015. The reception celebrated the launch of the Elton John AIDS Foundation and the U.S. President's Emergency Plan for AIDS Relief $10 million partnership to provide grants to organisations working to meet the HIV-related needs of Lesbian, Gay, Bisexual and Transgender people. REUTERS/Suzanne Plunkett TPX IMAGES OF THE DAY