The celebrities who are appearing on SAS Australia on Channel 7

Roxy Jacenko's already out - but there's much more to come on Channel 7’s brutal new show, SAS Australia.

Shane Warne’s 21-year-old son is one of the Australian personalities on Channel 7’s brutal new reality show.

The TV network announced that Jackson Warne is one of celebs who will be pushed to their limits on SAS Australia.

Jackson has undergone a huge physical transformation in the past 12 months and has packed on plenty of muscle.

He’s shared several photos of his new physique on Instagram, much to the delight of his fans.

Here’s everything we know about SAS Australia.

WHAT IS THE SHOW ABOUT

SAS Australia sees Aussie celebrities take on a series of physical and psychological tests from the real SAS selection process.

There is no winner; there is no prize. These star recruits will eat, sleep and train together in punishing conditions, with no allowances made for their celebrity status or gender.

An elite team of ex-Special Forces soldiers will subject them to extreme physical endurance, sleep deprivation, interrogation and psychological testing, pushing the stars beyond their limits every step of the way.

Some will break and withdraw.

SAS Australia is coming to Seven in October.

WHICH CELEBRITIES ARE ON THE SHOW

Former Bali inmate Schapelle Corby, comedian Merrick Watts, retired ironwoman Candice Warner, rugby star Nick Cummins and PR queen Roxy Jacenko were the first celebs announced back in August. Jacenko also became the first to leave, dropping out midway through the premiere episode. 

In mid-September, Seven also announced that swimmer James Magnussen, cricketer Mitchell Johnson, AFLW player Sabrina Frederick and suspended swimmer Shayna Jack would also be taking part.

The last celebrities announced were Shane Warne’s son Jackson, Miss Universe Australia Erin McNaught, Bachelorette Ali Oetjen, model Arabella Del Busso, reality star Eden Dally, actor Firass Dirani, rally car driver Molly Taylor and fitness coach Shannan Ponton.

Schapelle Corby. Picture Nigel Wright

Mitchell Johnson. Picture: Peter Wallis

WHO ARE THE INSTRUCTORS

Putting the celebrity recruits through the gruelling SAS course is an elite team of ex-Special Forces soldiers – chief instructor Ant Middleton and his directing staff (DS) Jason “Foxy” Fox, Ollie Ollerton and Mark “Billy” Billingham from the hit UK version of the series.

Middleton said: “There is no set mould for passing SAS selection. You need courage, determination, that never-give-up attitude, but ultimately the strength of mind to carry on, even when faced with your demons and biggest fears.”

SAS Australia is coming to Seven in October.

WHERE WAS SAS AUSTRALIA FILMED

The show was filmed in the Blue Mountains in NSW.

WHEN DOES SAS AUSTRALIA AIR

SAS Australia airs 7:30pm Mondays and Tuesdays on Channel 7.