RIHANNA HITS FAN-DIAMONDS WORLD TOUR BIRMINGHAM,UK Rihanna is yet to say something about the YouTube video which show the Barbadian singer's concert in Birmingham for her Diamonds World Tour last night surfaced on the Internet today, showing a fan getting a special meet-and-greet with the singer's microphone. If you know how much it cost to buy ticket to watch your favourite star you will not try that to any one.