The 75-year-old actress has refused to take all her clothes off on screen or pose naked throughout her career spanning five decades, saying it is the way she has been brought up.
Welch, who became a pin-up in the 60s and 70s after appearing bikini-clad in movies such as One Million Years B.C., Flareup and Bedazzled, turned down Hugh Hefner even after he called her "boring".