Tony Abbott's daughter Frances has shown off her amazing body during a bikini modelling competition, a day after revealing how excited she was to vote 'yes' in the same-sex marriage plebiscite.

The 26-year-old - who is based in Melbourne - is competing in her home city, after 'weeks of training, weighing your food, staying in, posing, flexing, twisting'.

She has taken the stage at the Australian ICN Victorian State Titles competition flaunting her stunning body in a two-piece outfit.

Tony Abbott's daughter Frances has shown off her amazing body during a bikini modelling competition

She takes the stage just a day after revealing how thrilled she was to be casting her vote in favour of same-sex marriage becoming legal

The 26-year-old - who is based in Melbourne - is competing in her home city

Frances - who works as a personal trainer at Life Hub gym - is competing in the 'first timer' bikini fitness model division, as well as the 'sports model' category

The competition attracted more than 700 competitors - in both the novice and elite categories

She has taken the stage at the Australian ICN Victorian State Titles competition flaunting her stunning body in a two-piece outfit

For the 'sports model' category, Frances and her fellow competitors must wear a two-piece fitness outfit

She takes the stage just a day after revealing how thrilled she was to be casting her vote in favour of same-sex marriage becoming legal.

Frances - who works as a personal trainer at Life Hub gym - is competing in the 'first timer' bikini fitness model division, as well as the 'sports model' category.

The competition attracted more than 700 competitors in both the novice and elite categories.

For the 'sports model' category, Frances and her fellow competitors must wear a two-piece fitness outfit.

She said she was 'sweating' and 'jumping up and down like Christmas' to cast her vote in the postal plebiscite

'Ripped the envelope open. Ticked the yes box,' she wrote, adding the hashtags #voteyes and #loveislove,' she wrote

Ms Abbott received a participation medla for her efforts in the competition

She spent months preparing for the competition and shared her experiences with her followers on social media

According to the Australian ICN President, Tony Lanciano, the judges are looking for 'similar things' in the competition

'They don't necessarily need to have a six pack - as long as they look good,' Mr Lanciano said

'One week to go. The home stretch. Stage is in sight. It ain't gonna be easy. But it sure as hell is exciting,' Frances posted on one of her training Instagram photos

The fitness enthusiast took to Instagram to express how excited she was to support same-sex marriage.

She said she was 'sweating' and 'jumping up and down like Christmas'.

'Ripped the envelope open. Ticked the yes box,' she wrote, adding the hashtags #voteyes and #loveislove.

Frances said this comes after 'weeks of training, weighing your food, staying in, posing, flexing, twisting'

She spent months preparing for the competition and shared her experiences with her followers on social media

Earlier in the week, 26-year-old Frances hit headlines, after she threw her support behind the 'VOTE YES' campaign for same-sex marriage

Tony Abbott pictured with his sister, Christine Forster

Ms Abbott - who works as a personal trainer at Life Hub gym - will compete in the 'first timer' bikini fitness model division, as well as the 'sports model' category

'One week to go. The home stretch. Stage is in sight. It ain't gonna be easy. But it sure as hell is exciting,' Frances posted on one of her training Instagram photos

She spent months preparing for the competition and shared her experiences with her followers on social media.

'One week to go. The home stretch. Stage is in sight. It ain't gonna be easy. But it sure as hell is exciting,' Frances posted on one of her training Instagram photos.

'No mirror, just judges and a crowd of people and not much in the way of pants, just a few inches of Lycra and some bling bling [sic],' she wrote next to another snap.

According to the Australian ICN President, Tony Lanciano, the judges are looking for 'similar things' in the competition, but it's not necessarily what you think:

'They don't necessarily need to have a six pack - as long as they look good,' he told news.com.au.

'No mirror, just judges and a crowd of people and not much in the way of pants, just a few inches of Lycra and some bling bling [sic],' Frances wrote next to one Instagram post

Speaking on the radio about his daughter joining the Yes campaign, Tony Abbott said he was proud his daughter was an 'independent woman' (pictured with his family)

Earlier in the week, 26-year-old Frances hit headlines, after she threw her support behind the 'VOTE YES' campaign for same-sex marriage.

Taking to her Instagram account, she told her followers that while she 'doesn't care for politics, [but] I really do care for love'.

She did this while wearing a VOTE YES T-shirt.

Even thought Frances's father, politician, Tony Abbott, is a leading figure in the No campaign, the personal trainer's post attracted more than 1,000 likes and hundreds of comments.

'A brave step in the right direction! You're awesome,' one commenter posted.

'It takes courage, well done,' another person added.

The competition will take place in Melbourne this weekend

Frances has been documenting her progress on Instagram (pictured)

Speaking on the radio about his daughter joining the Yes campaign, Tony Abbott said he was proud his daughter was an 'independent woman'.

'Both of us raised Francey, as our other daughters, to be her own person and I am proud of her,' Mr Abbott told Sydney station, 2GB.

'I am proud of the fact she is an independent woman, who has her own thoughts and who does her own thing.

'I respectfully disagree with her on this issue but I am certainly very proud of her.'

To follow Frances Abbott on Instagram, please click here.