Big Brother star Marissa Rancan, 62, shows off her fit figure in a tiny string bikini

She’s still got it! Aerobics icon and Big Brother star Marissa Rancan, 62, shows off her fit figure and washboard abs in a tiny string bikini

She’s the fitness and aerobics icon who is competing on the latest season of Big Brother Australia. 

And on Wednesday’s show, Marissa Rancan proved that she’s still got it as she stripped off into a tiny string bikini. 

The 62-year-old showed off her incredibly fit figure and washboard abs in a bright yellow two piece.

She’s still got it! Aerobics icon and Big Brother star Marissa Rancan, 62, (right) showed off her fit figure and washboard abs in a tiny string bikini on the show on Wednesday

Marissa looked incredible in her costume, as she chatted in the green room with co-star Hannah Campbell, 26.  

Marissa and Hannah both covered up a little while sitting down, putting pink pool towels on their laps. 

At the start of the episode, Marissa proved that she’s still fit and works hard for her figure, as she performed an early morning circuit workout. 

She's fit! She's the fitness and aerobics icon who is competing on the latest season of Big Brother Australia

She’s fit! She’s the fitness and aerobics icon who is competing on the latest season of Big Brother Australia

Looking good: Marissa looked incredible in her costume, as she chatted in the green room with co-star Hannah Campbell (pictured left)

Looking good: Marissa looked incredible in her costume, as she chatted in the green room with co-star Hannah Campbell (pictured left)

Get it girl! At the start of the episode, Marissa proved that she's still fit and works hard for her figure, as she performed an early morning circuit workout

Get it girl! At the start of the episode, Marissa proved that she’s still fit and works hard for her figure, as she performed an early morning circuit workout

She hilariously woke up her housemates when she repeatedly slammed a weighted ball into the ground during a set at 6am. 

Marissa showed off her trim figure as she worked up a sweat, wearing tight black shorts and a matching T-shirt.   

‘Queen s**t,’ everything Marissa does is golden,’ one fan tweeted as a reaction to her morning workout. 

Another fan tweeted throughout the episode: ‘Team FKN Marissa!!! Go off GURRRLLLLL,’ adding a flame emoji. 

She's got fans! Another fan tweeted throughout the episode: 'Team FKN Marissa!!! Go off GURRRLLLLL,' adding a flame emoji

She’s got fans! Another fan tweeted throughout the episode: ‘Team FKN Marissa!!! Go off GURRRLLLLL,’ adding a flame emoji

Marissa, who now works as a makeup artist in Sydney, found fame in the 1980s as one third of aerobics icons The Rancan Sisters with her twin siblings, Adele and Lisa.

‘We were the first three to bring aerobics to Australia. It started back in 1983 and we were known for our morning TV appearances,’ Marissa said earlier last month. 

In her Big Brother promotional video, Marissa said of her showbiz career: ‘We were like a household name. We had a cult following and would train celebrities.’ 

She's back! Marissa, who now works as a makeup artist in Sydney, found fame in the 1980s as one third of aerobics icons The Rancan Sisters with her twin siblings, Adele and Lisa

She’s back! Marissa, who now works as a makeup artist in Sydney, found fame in the 1980s as one third of aerobics icons The Rancan Sisters with her twin siblings, Adele and Lisa

The Rancan Sisters opened their first aerobics studio in Cremorne, Sydney in 1981.

As the business grew, they appeared daily on Channel 10’s Good Morning Australia, with stars such as Nicole Kidman heading to their gym for a workout.

These days, Marissa works as a makeup artist in Sydney and enjoys a quieter life. 

Popular: The Rancan Sisters opened their first aerobics studio in Cremorne, Sydney in 1981. As the business grew, they appeared daily on Channel 10's Good Morning Australia, with stars such as Nicole Kidman heading to their gym for a workout

Popular: The Rancan Sisters opened their first aerobics studio in Cremorne, Sydney in 1981. As the business grew, they appeared daily on Channel 10’s Good Morning Australia, with stars such as Nicole Kidman heading to their gym for a workout