Sharon Osbourne is the wife of Ozzy Osbourne. She is a TV show host. She is the host of "The Talk." She is also on some reality shows. She is very proud of her looks because she is on TV. She had an MRI scan recently. After the scan, she noticed that her hand was swollen. She was very shocked. She posted pictures of her swollen hand on Twitter. They use a dye for MRI scans. Apparently, she is allergic to the dye. Read more here.