(hollyscoop.com) - is brushing off reports that a recent cancer diagnosis forced her to pull out of her Vegas show earlier this month. Cher canceled two performances at the Colosseum at Caesar's Palace - her final dates of the year - at the start of October. Her publicist, Liz Rosenberg, quickly shot down reports that a serious ailment had stricken the star - only to prompt rumors she was privately dealing with cancer. But Cher has laughed off the reports, insisting that she couldn't sing due to a sore throat. She says, "My health is great but there's a wind thing that blows there at different months and I have an allergy to it. If I had cancer everyone would know it. I wouldn't tell them, but somebody would. When you have those kind of things happen if you're famous you can't keep them a secret. The reports don't make me angry. People have been saying the weirdest things since I was a teenager."We've heard about that weird wind in Vegas! It is the desert after all. But Celine Dion had to live in an underground temperature -controlled apartment during her Vegas run.