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Heels To Hiking Boots! Beauty queens Laura Dundovic and Erin Holland break out of their comfort zones and head to the wilds of Papua New Guinea

By Alicia Vrajlal for Daily Mail Australia

Published: 07:25 EST, 2 April 2015 | Updated: 09:21 EST, 2 April 2015

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They rose to fame after being crowned national titles in beauty pageants.

But former Miss Universe Australia Laura Dundovic and former Miss World Australia Erin Holland have decided to ditch their high heels for hiking boots for their latest project.

Laura, 27, and Erin, 26, recently embarked on a trekking trip through Papua New Guinea's renowned Kokoda Track.

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Heels To Hiking Boots! Beauty queens Laura Dundovic and Erin Holland push past their comfort zones as they embark on trekking trip through Kokoda Track

Trek time: Laura and Erin star in a new series of documentaries which see them trek through Papua New Guinea as part of a personal journey and tourism project

In a sneak-peek video of their adventures both blonde beauties are seen outside of their comfort zones.

Posted to Laura's Instagram page on Thursday a 15-second clip shows the models swapping their red carpet gowns for more practical attire.

In the first frame Laura and Erin are seen trekking with a group of tourists, wearing official grey coloured Kokoda T-shirts teamed with black shorts.

Both fresh-faced for the daring adventure Laura's golden tresses are worn in a braid, while Erin sports a fun bun.

Laura Dundovic and Erin Holland in the wilds of PNG

Hard work: The beauty queens swap their red carpet gowns for more comfortable adventure attire

'We just got asked if we're sisters,' Laura is seen telling the camera.

'I think it's because we're both tall and covered in sweat,' she jokingly adds.

Another frame shows the glamazons wearing pink and purple T-shirts, teaming the vibrant tops with printed leggings and heavy backpacks and trekking sticks in tow.

Well equipped for the strenuous hike in black gum boots, the beauties are put through their paces.

Thrills: No doubt the physical challenges have delivered some rewards for the stunners, as they are also seen posing for cute selfies and mingling with the locals

But no doubt the physical challenges have delivered some rewards for the stunners, as they are also seen posing for cute selfies and mingling with the locals.

Part of the Pacific War of World War II, the Kokoda Trail campaign involved a series of battles in 1942 between Japan and Australian allied forces in Papua New Guinea.

According to the website of Do Kokoda, the program Laura and Erin joined for their trek, Kokoda 'remains a powerful reminder of Australia’s and PNG’s shared history, teaching Australians young and old the true meaning of courage, endurance, mateship and sacrifice'.

The website also says Laura, who recently returned from the South African jungle after appearing on I'm A Celebrity... Get Me Out Of Here, was motivated to pursue the adventure for two reasons.

Beauty queens: Laura is Miss Universe Australia 2008 while Erin is Miss World Australia 2013

It was 'firstly to challenge herself physically on a trek more commonly completed by men' and 'secondly, to follow in the footsteps of her grandfather Sir Thomas Blamey, the controversial Commander and Chief of Australian forces in the Kokoda campaign'.

Meanwhile Erin's thirst for adventure and new experiences made her the perfect trekking companion for Laura, the pair both pushed to their limits physically and emotionally after visiting the various battle sites.

Laura and Erin will join Papua New Guinea Tourism Promotion Authority later this month for a special screening of their adventures abroad, appropriately titled From Heels To Hiking Boots.