Girl power! The World's Hottest Grandma Gina Stewart, 48, celebrates International Women's Day by flashing her eye-popping cleavage in a plunging pink swimsuit By Monique Friedlander For Daily Mail Australia Published: 23:39 GMT, 9 March 2019 | Updated: 23:40 GMT, 9 March 2019 Viewcomments Celebrities across the world paid tribute to the achievements of women on International Women's Day this weekend. And 'The World's Hottest Grandma Gina Stewart', 48, became the latest star to honour the feminist cause on Saturday when she stripped down to a racy pink swimsuit on Instagram. Gina shared a photo of herself posing inside her apartment in the cleavage-baring ensemble, along with the caption: 'International Women's Day today so why not wear some pink.' Girl power! The World's Hottest Grandma Gina Stewart, 48, celebrated International Women's Day by flashing her eye-popping cleavage in a plunging pink swimsuit on Saturday 'Thank you to all my followers for all your support over the last 12 months , let’s see what another 12 months brings. I love all your comments and input,' she added. Gina's sizzling post comes after she was forced to deny romance rumours with Married At First Sight's Dino Hira after he was caught 'liking' photos of the busty grandmother on Instagram. Speaking to Daily Mail Australia, the blonde said that 'any girl would be lucky' to date a man like Dino, 35. 'Dino is a lovely guy': Gina's sizzling post comes after she was forced to deny romance rumours with Married At First Sight's Dino Hira after he was caught 'liking' photos of the busty grandmother on Instagram 'Dino is a lovely guy,' said the glamorous mother-of-four, adding that she considers to the mediation coach a 'good friend'. 'I have a lot of respect for him and how he managed himself on Married At First Sight,' she continued. 'He's a good friend and is all about kindness, compassion, forgiveness and love. Any girl would be lucky to be with such a man.' A glowing endorsement! 'He's a good friend and is all about kindness, compassion, forgiveness and love,' she told Daily Mail Australia. 'Any girl would be lucky to be with such a man' While Dino recently split with with his MAFS 'wife' Melissa Lucarelli, Gina is single and working on her modelling career. Gina rose to fame early last year after posting sexy, non-nude photos of herself on Instagram. Her profile soon skyrocketed, with the Gold Coast native gaining 100,000 followers in a matter of months and storming Maxim's Hot 100 list. Golden girl: Gina rose to fame early last year after posting sexy, non-nude photos of herself on Instagram She also became an in-demand media figure, appearing on Channel Seven's Sunday Night, The Kyle and Jackie O Show and Hughesy, We Have a Problem. Gina is a single mother to four children - James, 28, Casey, 26, Cody, 23, and five-year-old daughter Summer. She also has one grandchild, hence the nickname The World's Hottest Grandma. Claim to fame: Gina is a single mum to four children - James, 28, Casey, 26, Cody, 23, and Summer, five. She also has one grandchild, hence the nickname The World's Hottest Grandma Share or comment on this article: All rights reserved for this news site dailymail and under his responsibility