POSING in raunchy red undies at the age of 66, Sharon Stone revisited her most famous scene, from 1992 thriller Basic Instinct – saying women can be sexy at any age. But after an online backlash over the glam Instagram shots that she posted earlier this month, the feisty actress has now laid into her critics. At a Cannes charity gala this week she fumed: “We get to grow older.

It’s ridiculous that you’re only supposed to be OK when you’re 20. “What the f***.” And she revealed that the idea to strip off for the shots, which she captioned “BASICALLY .

. . YOURS” on her Instagram post, had come from her stylist and had been completely spontaneous.

But for one who seems so confident in the public eye, Sharon also told of her career-long fear of being shot dead by an obsessive fan — which was sparked by a chat with Sylvester Stallone . READ MORE ON SHARON STONE She said: “What Sly said to me is that suddenly you are walking down the street, everyone is doing this (reaching into their pocket) and you don’t know if they are going for the pen or the gun. “That’s what becomes so unsettling, because everybody is doing that, but you don’t know why.

“You feel constantly in this unsettled place that you always have to figure it out and you have to fix it and be ready. “You are always trying to figure out what everybody else’s intentions are.” Most read in Celebrity Sharon’s fears were worsened by the trauma of her breakout role in Basic Instinct tur.