Kelly Osbourne has made a shocking revelation about her rarely-seen older sister Aimee.The daughter of Sharon Osbourne confessed that she and her sibling have not spoken for years due to an inability to "understand" each other.MORE: Meet Sharon Osbourne's daughter Aimee Kelly and Aimee were reported to have fallen out back in 2014, with Kelly now seemingly confirming this news during an appearance on Dax Shepard's podcast Armchair Expert on Monday.WATCH: Kelly Osbourne admits to relapse in her