The O2 Silver Clef Awards was held at Grosvenor House Hotel in London, to celebrate some of the biggest artists in music. Over 1,000 guests attended the charity’s annual fund raising event to honour winners Lionel Richie, Jess Glynne, Florence Welch, Olly Murs, Massive Attack, Craig David, Hozier, Patti Smith, Jeff Lynne and André Rieu,