Tony Abbott's daughter, Frances Loch, is going to be a mum. 

The 29-year-old shared she's expecting her first child with her husband Sam Loch on Instagram earlier today.

"Big little baby Loch. Joining the party Summer '21," Frances wrote alongside a very happy photo of her holding her growing baby bump.

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As the daughter of Australia's 28th Prime Minister, this isn't the first time Frances has made headlines.

Here's everything we know about Frances Loch's life in the public eye. 

A 'fast' proposal.

Frances and Sam surprised everyone when they got engaged in 2017, just two weeks they first met. 

Speaking to Stellar magazine that year, the fitness instructor explained she was introduced to Sam, a former Olympic rower, in mid-October after a friend suggested they would get along.  

"Next thing he is standing in my lobby with a coffee," she told the publication. "As soon as I met him, I knew it was something special."

Two weeks later, Sam proposed. At the time, Frances was putting frozen peas in her freezer when Sam came up to her with a bottle of champagne in his hands. 

"He said, 'Why aren’t you asking me why I’m holding champagne?' So I said, 'OK... why are you holding champagne' He said, 'Well, I thought we could drink it after I asked you to marry me'."

The couple announced their engagement two weeks later.

"Everyone’s like, 'Wow, this is really fast'," she told the publication. "But it feels so natural to me. His energy, it’s so grounding. When I am around him, I am like, 'This is what it’s meant to be like'. Life is short, and love is special, and sometimes you just need to follow your instincts."

Tony Abbott and his wife Margaret were also surprised to hear about the engagement. 

"Mum was like, 'Frances, you are quite impulsive'," she said. "My family just want what’s best for me, as any family would with their daughter. They are cautious because of the time, but they know me."

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A surprise wedding.

Three months after getting engaged, Frances and Sam legally married at a registry on Valentine's Day in 2018. The couple shared the exciting news in a surprise Instagram post.

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Tony Abbott later congratulated his middle daughter for tying the knot in a post on Twitter.  

Congratulations to Sam and Frances Loch. When her heart is set on something, she sure goes for it!

— Tony Abbott (@HonTonyAbbott) February 14, 2018

Months later, the couple exchanged vows for a second time during an intimate ceremony at Palm Beach in front of their family and friends. 

The pair, who now live in in Portland, Oregon, celebrated their two-year wedding anniversary last April. 

"Two weeks was all it took to know that forever with you was a mighty fine idea," Frances wrote on Instagram.

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Frances' relationship with her dad. 

For the most part, Frances gets along well with her father, but there's one issue they certainly don't see eye to eye on - same sex marriage. 

The 29-year-old was a vocal supporter of the same sex marriage campaign in 2017 and even appeared in an advert calling Australians to support marriage equality. 

"You can’t help who you fall in love with. Love just happens sometimes and it’s unexpected and that’s kind of what’s the awesome thing about it," she said in the video released by the Equality Campaign.

Frances also mentioned her aunt and Tony Abbott's sister, Christine Forster, who lives with her partner, Virginia Edwards.

"I don’t think she planned to fall in love with Virginia – it just happened. It never really changed anything, she was still aunty Chris – she’s still going to be at Christmas, she’s still going to be at the family barbecues, her children are still my cousins."

"This is why it really just doesn’t make sense to me that it's not allowed."

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Frances later spoke about her father's views on same sex marriage during an interview with Stellar. 

"It’s really against what he learnt about. Dad tells a story about when he was at primary school and he got the cane for holding hands with one of his male school friends. He would have been five. When that happens when you are a child, I get why you think this way," she told the publication. 

"I’ve been raised to love everybody, to look for the best in everybody. Which is kind of why I don’t get [his view]. I will do the eye roll at Dad, like, 'OK, whatever'. I love him all the same."

Frances on the other hand, is forging her own path when it come to her political views. 

"Politics is such a big thing in my family [but], to be honest, I find talking about it quite draining sometimes," she said.

"I am creating my own ideas and forging my own path. I will continue to disagree with [my parents] on many things, I am sure, and that’s how they have raised me to be."

Feature Image: Instagram @francesloch/Getty.