No belly button!

Observers noticed that something was missing when the 24-year-old Czech appeared at a shoot for the underwear line Victoria's Secret in Miami Beach, Florida. It might not be the first time that a top model has appeared to defy the laws of nature but even experienced fashion-watchers were baffled when Karolina Kurkova was photographed apparently without a belly button.

Ms Kurkova has not spoken publicly about how she came to have a smooth navel, and all her agent will say is "she's not an alien".