But the years have certainly been kind to Sharon, now 58, judging by this recent Instagram shot in her LA pool!
The blond beauty showed off her toned limbs and rock-hard abs in a tiny black and white bikini, proving that her sex symbol days are most definitely not behind her.
Speaking recently to Luxury London magazine, Sharon opened up about ageing and said that she has no problem stripping down.
“I like myself and my body, says Sharon. “Being nude to me means having fun – fun with myself and my looks.”
The mum-of-three says that confidence doesn’t just come from looks but from “deep inside”.
She said: “Only women who feel good about themselves and have self-confidence can also be sexy.
“Sexiness comes from deep inside. It’s the feeling of being present, having fun and liking yourself enough.”
Sharon talked to Shape magazine in 2014 about how she keeps her stunning curves.
‘This idea that being youthful is the only thing that’s beautiful or attractive simply isn’t true. I don’t want to be an “ageless beauty.” I want to be a woman who is the best I can be at my age,’ said the Casino star.
‘There was a point in my 40s when I went into the bathroom with a bottle of wine, locked the door, and said, “I’m not coming out until I can totally accept the way that I look right now’.”
Sharon, who is also enjoying something of a career resurgence with a slew of TV and movie roles due to hit our screens over the next few months, says she’s come to terms with her age and what that means.
“I’m not trying to make myself look like a girl because I’m not a girl anymore. I’m very happy about being a grown woman.
“I think there’s a lot of sexuality, and glamour, and allure, and mystery to being a woman that you just don’t have when you’re young.”