It is rumoured that Justin Timberlake is quite keen to record a duet with George Michael, reports Digital Spy. The 'Cry Me A River' singer flew into London over the weekend to see the Wham! star perform at London's Royal Albert Hall as part of his 'Symphonica' tour. Justin sat front row at the sold-out show as a special guest by invitation from Michael along with Kate Moss and Naomi Campbell, reports The Sun. The 48-year-old told the audience: "I've really got to be at my best tonight – there is a very special singer here for the show, Justin Timberlake." According to the tabloid, the pair then met up backstage and Timberlake used the opportunity to discuss future recording plans. A source revealed: "Justin was blown away with the performance and is keen to work with George."