But Simpson has laughed off the rumours, insisting she was merely undergoing a medical check-up. In a post on her Twitter.com page, she writes, "True - went to the doctor yesterday. False - plastic surgery."
Simpson has been the subject of beauty criticism ever since splitting from husband Nick Lachey. "When it comes to media criticism, that's just something I have had to train myself - literally train myself - to ignore," she said in an interview. Simpson is now hosting a reality show called "The Price of Beauty" where she searches different meaning of beauty around the world
