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Celebrity Apprentice Australia is set to return to screens for the first time in six years.

And the stars of the show were spotted on set recently, during a challenge held at the Bondi Icebergs Club.

Michelle Bridges notably rocked an 80s glam punk wig and a leather outfit, while Martha Kalifatidis looked a little more laid-back in a white bathrobe.

Bridges, 50, channeled rockers The Runaways with her look, which consisted of a spiky mullet and an all leather ensemble. 

She was made up with heavy eyeliner for the challenge, in which the reality TV show cast dressed as rockers and punk artists.

The personal trainer capped off the look with a heavy chain around her neck. 

Meanwhile Married At First Sight alum Martha meanwhile took a far more relaxed approach to her wardrobe, stepping out in a white bathrobe.

The popular influencer went barefoot as she strolled around the edge of the club's famous baths.

The reality TV veteran paced impatiently as she and the other contestant waited for cameras to roll. 

Meanwhile, Anthony Callea already had the rock star look down pat, with the Australian Idol runner-up looking effortlessly cool in oversize mirrored aviator shades.

The singer-songwriter carried a coffee as he waited for his close-up.

Other musical veterans taking up the challenge included identical twin sisters Lisa and Jessica Origliasso, aka The Veronicas. 

The diminutive stars donned white bathrobes and their own mirrored shades. 

Later, the Untouched hitmakers masked up, in a concession to COVID-19 safety protocols.

Also spotted on set were co-stars Ross Noble, Shaynna Blaze and David Genat.

Meanwhile, a new trailer for the show, released Monday, shows drama unfolding between the contestants with tears, tantrums and clashes galore. 

Model David Genet appears to be playing dirty, saying in a piece to camera:  'I hope Michelle Bridges gets fired today'. 

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He is then shown telling fitness guru Michelle: 'I've got your back in the boardroom' before badmouthing her over a challenge.  

Another contestant says David is, 'Playing a game he will win at all costs', while 'boss' Alan Sugar appears to call him a 'snake'. 

Married At First Sight star Martha Kalifatidis also gets Alan offside, with him shown saying to her: 'They call you the Kmart Kardashian'. 

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Martha later gets in a verbal altercation with another contestant, insisting she did some cooking in a challenge, but others say she did not hold up her end.

The Veronicas, twin sisters Lisa and Jessica Origliasso, get into an argument at one stage, and are shown in tears. 

'This has nothing to do with you!' one of the pair screams as the other weeps in tense scenes. 

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TV star Shaynna Blaze then says in a piece to camera, 'The Veronicas may be be five foot tall but they are frightening'.   

Designer Camilla Franks breaks down in another scene, saying: 'To call me self-obsessed on national TV is the cruelest thing you could have done'. 

Singer Anthony Callea pokes fun at himself in one scene, joking: 'My face doesn't move I have had that much Botox'.  

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