A former Married at First Sight star has been arrested for allegedly trafficking nearly a kilo of methamphetamine.

Sebastian Guilhaus appeared on the seventh season of the Australian version of the reality dating series in 2020, where he was matched with Elizabeth Sobinoff.

In the years since he’s continued to work in the fitness industry and build up a social media following.

On his Instagram account, the 35-year-old describes himself as an ‘Athlete, Creator and Thought Provoker’.

However after his reality TV stint, this week he hit headlines after being arrested on suspicion of trafficking $90,000 (£46,000) worth of meth.

Arrested at his home in South Australia, Guilhaus was later released on home detention bail.

Former MAFS star Sebastian Guilhaus has been arrested on drug charges (Picture: Victoria Ottley)

While police did not oppose his release, he was ordered by the court to wear an electronic monitoring device.

He is also banned from consuming illicit substances and must present for random drug testing.

The former reality star is yet to enter pleas to charges of trafficking in a commercial quantity of a controlled drug.

After being arrested Guilhaus posted a series of videos to Instagram where he explained how he was tackling mental health issues in the wake of being charged.

Beginning by thanking everyone who had ‘checked in’ on him and had ‘gone above and beyond’ by providing character references, he went on to explain he’d been through what he labelled as an ‘extremely traumatic week’.

The former personal trainer appeared on the reality series in 2020 (Picture: Nine)

He then apologised for the ‘stress caused to family and friends’.

‘I am just settling into the reality of the situation. I am trying to connect and make sure my family are okay,’ he continued.  

‘I am not going to comment on the situation because it’s ongoing and I don’t want to impede that process.

‘I am just concentrating on the controllable, forging a new daily routine, training two to four hours a day, what I am eating.’

He went on to explain that he was ‘starting to battle’ his ADHD and ‘other mental health issues’ head on and said he would ‘overcome this hurdle’, which he saw as a ‘period of growth and healing’.

Guilhaus previously worked as a personal trainer before joining subscription-based adult website OnlyFans and launching a career as a pornographic actor.

One of his latest OnlyFans projects was a collaboration with fellow MAFS star Hayley Vernon, who has also transitioned into porn since their stint on the show.

Detective Superintendent Billy Thompson, the Serious and Organised Crime Branch officer in charge of the drug bust, described the 870g of meth found as ‘significant’ after the arrest.

‘Methamphetamine causes terrible harm to users and to our communities,’ he said.

‘This seizure is a significant amount and would have a street value of approximately $90,000.

‘Those who traffic illicit drugs in these amounts do so purely for their own greed, they have no care for others.’

Before his stint on reality television, Guilhaus played 48 games in the South Australia National Football League.

Metro.co.uk has contacted Sebastian Guilhaus for comment.

Married at First Sight is streaming on Channel 4.

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‘This seizure is a significant amount.’