epa02298661 (FILE) A file picture dated 31 January 2010 shows US singer Lady Gaga at the 52nd Annual Grammy Awards at the Staples Center in Los Angeles, California, USA. Lady Gaga is the most-followed user on Twitter with more than 5.76 million followers, according to media reports on 23 August 2010. She overtook Britney Spears who has about 5.71 million fans. Lady Gaga was also the first living person to have more than 10 million fans on Facebook. EPA/PAUL BUCK
