Once upon a time, cosmetic surgery was only for the wealthy. Today, it's advertised and marketed as a perfectly normal experience for anyone who can afford it. Cosmetic surgeons have become social media stars with followers in the millions. But behind the glitz and glamour lie some ugly truths. On Monday, Four Corners, in a joint investigation with The Age and Sydney Morning Herald, exposes alarming practices in this multi-billion-dollar industry and reveals how the regulatory system is failing to protect Australians.