Article continues below advertisementSharon Osbourne has sparked backlash after appearing to confirm she will attend a highly controversial far-right march in London, with critics accusing her of betraying the legacy of her late husband Ozzy - prompting claims the rocker would be "rolling in his grave" over the decision.OK! can reveal the 73-year-old television personality and music manager made the announcement in response to a social media post by activist Tommy Robinson, who is organizing the demonstration set for May 16.