<p><br /> Despite speculation, JLS say they have got "no problem" with N-Dubz.<br /> </p><p><br /> "There is no rivalry, we've got absolutely no problem with N-Dubz at all," said Marvin.<br /> </p><p><br /> He added: "We haven't said anything that people say we do say."<br /> </p><p><br /> The rumoured celebrity beef dates back to September last year when Dappy from the grime trio apparently had a go at the boys for miming. More recently it was thought they clashed over Marvin's girlfriend, Saturdays star Rochelle Wiseman.<br /> </p><p><br /> Aston added the band were too busy writing their album to get involved.<br /> </p>
