Washington (ANI): Madonna has fuelled rumours that her marriage to British director Guy Ritchie by stepping out without her wedding ring. The music icon was seen partying at two of London's most high-profile restaurants celebrating the adoption of Malawian toddler David Banda, but not around was her hubby of 7-years. "She was out at Claridge's on Wednesday night on her own, then on Thursday night Madonna was at Nobu with Gwyneth Paltrow, but no Guy. She was lifting her hand up to the photographers to make it clear she didn't have a wedding ring on," Now magazine quoted a source, as saying. The source also insists that the couple's marriage has come to an amicable end, and they are close to announcing their split.