Crown Princess Mary and Crown Prince Frederik: Why their road to romance is a real life fairytale

Prince Frederik may be a royal, but not even he could escape the bowl haircut epidemic! Fortunately his charming smile and those adorable cheeks make him look very sweet.

18 years ago, no could have predicted a Hobart girl would steal a Danish prince's heart. Then known as Mary Donaldson, the girl from Tassie first crossed paths with 'just Fred' at the Sydney's Slip Inn pub during the 2000 Olympics.

"The first time we met we shook hands. I didn't know he was the prince of Denmark. Half an hour later someone came up to me and said, 'Do you know who these people are?'" she recalls.

For the first year of their romance, the couple's relationship was long-distance, with Fred making secret trips from Copenhagen to Sydney. The couple is pictured here at the 2002 Melbourne Cup.

Of the moment he proposed, Fred recalls, "We decided we wanted to go to Rome, just to see Rome. And I had never been to Rome before. I thought, "This is the moment. "Seize the day and... get your kneepads on." And then suddenly, on one of those wonderful areas in Rome, I had to say, 'This is it, Mary'."

The couple regularly attend royal functions together.

After Frederik proposed in 2003, Mary joked that she "wasn't allowed to say no" to the engagement.

Fred was a man in love, and the couple married on May 14, 2004, in Copenhagen.

Proving to be a real-life Prince Charming, Fred said at the altar, "From today, Mary is mine and I am hers. I love her and I will protect her with all my love."

The Danish royals sealed their marriage with an official stamp.

After 16 years of marriage, Frederik and Mary still have that wedding day sparkle.

While Mary has embraced Danish culture, Australia will always be a home for the future Queen.

Mary recalls when she first met Frederik, he left an impression... kind of. "Something clicked. It wasn't the fireworks in the sky or anything like that but there was a sense of excitement."

That "click" lead to four beautiful children: Prince Christian, Princess Isabella, and twins Prince Vincent and Princess Josephine.

Their firstborn and heir to the throne behind his dad, Prince Christian, was born in 2005.

The couple then welcomed their second child, Princess Isabella, in January 2007.

The couple welcomed their adorable twins, Prince Vincent and Princess Josephine in 2011.

There's a reason why Princess Mary is considered to be one of the most fashionable royals. Even Chanel's Karl Lagerfield is a fan of her style.

Fred only has eyes for his Princess.

The Danish royals know how to have a splendid family vacation.

Now that's what you call dashing!

Not even a glass tank can simmer down these two lovebirds.

The couple supporting Denmark at the London Olympics in 2012 (we're sure Mary was wearing her Aussie colours underneath...).

A loving kiss for his wife.

Regal fashion on point.

Especially when it comes to an official royal function.

With her twin treasures, Vincent and Josephine.

What a stunning family.

Mary takes her kids out.

Princess Isabella is a cheeky little one.

Picture perfect!

The two even wave in sync.

The Crown Prince and Princess stunned on the cover of Vogue Australia in 2016.

Coming full circle! 16 years after meeting during the Sydney Olympics, Princess Mary and Prince Fred supported both Australia and Denmark at the Rio Olympics. Watch Mary talk about the Olympics in the next slide. Gallery continues after the video!

The Crown Prince and Princess look at ease with a Sydney backdrop.

Frederik and Mary set sail in 2017 on the pristine Sydney Harbour as guests of Wild Oats for the CYCA SOLAS Big Boat Challenge.

The royal couple are famously athletic- the Danish royal family participated in the Royal Run in May 2018.

As part of Crown Prince Frederik's 50th birthday celebrations, the family stepped out to unveil his official portrait.

The family of six are quite possibly one of the most photogenic families in the world.

The two are still besotted with each other.

The Crown Prince and Princess stepped out in January 2019 in their finery to celebrate Danish Naval officers. (Image: Mega)

Mary and Fred were all smiles with their family as they cheered on the Danish national handball team. (Image: Getty Images)

15 years of marriage and the Danish royal couple still look so in love.

To mark 800 years of the Danish flag, the Crown Prince and Princess colour-coordinated in red and looked like the ultimate royal couple.

During their 2019 summer getaway, the parents-of-four posed for a photo.

As one of Norwegian Princess Ingrid Alexandra's godparents, Crown Prince Frederik attended the young royal's confirmation with his wife and their son Prince Christian.

The royal couple were all smiles as they held hands at a gala premiere in Copenhagen in September 2019.

Date night in Tokyo! Before attending a banquet for the newly enthroned Emperor Naruhito in the Japanese capital, the loved-up couple posed for a photo with the city skyline in the background.

Even to this day, Frederik still looks at Mary as though he's struck gold.

In May 2020, the pair were loved up as ever when they shared a sweet date night snap from the comfort of their own couch.

The kids are most definitely alright as the family enjoyed a special family holiday in their home country in the summer of 2020. Despite COVID restricting them from travelling, the tight-knit royals shared some special memories together - as was made clear in these stunning images from the palace at the time.

As the lockdown continued into 2021, Mary and Fred shared this sweet insight from their lounge as the kids enjoyed watching their national handball team win the world championships - look at that celebration!

High-five to Mary and Fred, the ultimate team!

The Danish royal Palace shared this image of Crown Princess Mary and Crown Prince Frederik talking to Crown Princess Victoria of Sweden with her husband Prince Daniel, alongside Crown Prince Haakon and his wife Mette-Marit, Crown Princess of Norway. During the Covid safe zoom they discussed family life.

Princess Isabella was photographed at the Chancellery to commemorate her 14th birthday.

Princess Mary photographed embracing her youngest daughter Josephine. This sweet moment was posted onto the Danish Royal family's Instagram to celebrate International Woman's Day.

In late June 2021, the royal couple's eldest child, Prince Christian, will be commencing schooling at the elite boarding school, Herlufsholm boarding school. The announcement was made on the Danish Royal family's Instagram, but there has been speculation that Mary is harbouring concerns for her son because the institution is steeped in scandal.