If viewers thought they’d seen the last of Married At First Sight’s Scott McCristal and Gia Fleur, they’re in for a surprise.

The Final Dinner Party, set to air on Monday night, is shaping up to be the most dramatic in the show’s history, with Scott and Gia going head-to-head in a fiery showdown that leaves the entire table stunned.

According to multiple sources close to production, tensions between the pair had already reached breaking point before filming began – with both arriving ready to say their piece once and for all.

‘This wasn’t a normal dinner party,’ one insider revealed.

‘It was a full-blown face-off. Everyone knew something big was coming.’

While viewers have watched cracks form in their relationship over the past few weeks, those on set say the real drama has been brewing behind the scenes.

If viewers thought they've seen the last of Married At First Sight's Scott McCristal and Gia Fleur, they're in for a surprise
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If viewers thought they’ve seen the last of Married At First Sight’s Scott McCristal and Gia Fleur, they’re in for a surprise

The Final Dinner Party, set to air on Monday night, is shaping up to be the most dramatic in the show's history, with Scott and Gia going head-to-head in a fiery showdown that leaves the entire table stunned
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The Final Dinner Party, set to air on Monday night, is shaping up to be the most dramatic in the show’s history, with Scott and Gia going head-to-head in a fiery showdown that leaves the entire table stunned

Scott had been distancing himself from Gia in the lead-up to the big finale, with insiders claiming communication between the pair had completely broken down.

Gia, meanwhile, was frustrated and confused, repeatedly questioning why he wouldn’t speak to her directly.

‘I just wanted a phone call… that’s it,’ she said in an off-camera conversation.

‘If something was wrong, why didn’t he just say it to me?’

By the time filming began, sources say the atmosphere was already tense – but what unfolded next took things to another level.

‘There was no small talk. No easing into it,’ one insider said.

‘It went from zero to a hundred almost immediately.’

Cast members were left visibly stunned as the pair aired their grievances in front of the group, with accusations flying and emotions running high.

According to multiple sources close to production, tensions between the pair had already reached breaking point before filming began - with both arriving ready to say their piece once and for all
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According to multiple sources close to production, tensions between the pair had already reached breaking point before filming began – with both arriving ready to say their piece once and for all

Cast members were left visibly stunned as the pair aired their grievances in front of the group, with accusations flying and emotions running high
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Cast members were left visibly stunned as the pair aired their grievances in front of the group, with accusations flying and emotions running high

By the time filming began, sources say the atmosphere was already tense - but what unfolded next took things to another level
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By the time filming began, sources say the atmosphere was already tense – but what unfolded next took things to another level

'People were looking at each other like, 'Is this really happening?' the source added
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‘People were looking at each other like, ‘Is this really happening?’ the source added

‘People were looking at each other like, ‘Is this really happening?’ the source added.

At the heart of the confrontation is a complete breakdown in trust – with both Scott and Gia holding very different views on what went wrong.

Scott has privately questioned aspects of Gia’s behaviour and version of events in the days leading up to the dinner party, while Gia believed she was shut out and denied the chance to have an honest conversation.

‘You talk to everyone else but not me,’ she said.

‘That’s not fair.’

Producers were said to have been bracing for impact as the scene unfolded, aware they were capturing one of the defining moments of the series.

‘It’s the kind of dinner party that people will be talking about long after the season ends,’ an insider said.

‘It changes everything.’

Scott was left devastated after Gia Fleur fled the experiment on Tuesday's episode
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Scott was left devastated after Gia Fleur fled the experiment on Tuesday’s episode

To make matters worse for Scott, he had to perform the final task alone, which consisted of reviewing footage of Monday's 'grass is greener' challenge. Gia is pictured
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To make matters worse for Scott, he had to perform the final task alone, which consisted of reviewing footage of Monday’s ‘grass is greener’ challenge. Gia is pictured

Scott was left devastated after Gia fled the experiment on Tuesday’s episode of Married At First Sight.

The businessman and his notoriously fiery bride were filmed arguing in the street over Gia’s decision to head home just two days ahead of Final Vows.

And to make matters worse for Scott, he had to perform the final task alone, which consisted of reviewing footage of Monday’s ‘grass is greener’ challenge.

Scott responded with an expletive-filled slam of Gia as he watched a video of his bride flirting with her ‘alternate’ match, James.

‘That is f***ing putrid, that is f***ed, that is disgusting,’ he said after watching Gia ask James about how much money he made.

‘That is actually embarrassing,’ an angry Scott said and added, ‘[She said] she would date him on the outside.’

The dramatic moment led to Scott suffering an emotional meltdown.

‘She wanted to leave because she didn’t want me to see what she did at the final test,’ a crushed Scott said.

The 33-year-old businessman and his notoriously fiery bride were filmed arguing in the street over Gia's decision to head home just two days ahead of Final Vows
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The 33-year-old businessman and his notoriously fiery bride were filmed arguing in the street over Gia’s decision to head home just two days ahead of Final Vows

Scott ranted: 'She wanted to leave because she didn't want me to see what she did on the final test'. Gia flirted up a storm with her back-up groom (pictured)
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Scott ranted: ‘She wanted to leave because she didn’t want me to see what she did on the final test’. Gia flirted up a storm with her back-up groom (pictured)

'I was about to give my whole life to her and her daughter,' he said, breaking down
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‘I was about to give my whole life to her and her daughter,’ he said, breaking down

Earlier, the 35-year-old mother-of-one was seen convincing Scott to return to Melbourne with her so she could be reunited with her family, telling him, ‘For us right now, we need to get the f*** out.’

But after her groom changed his mind and elected to stay in the experiment, Gia accused Scott of wanting to stay for the ‘camera time’ – leading to their very public meltdown.

‘The show is more important [to you]… you never cared for me,’ she claimed, leaving Scott alone in the street as she escaped in a waiting Uber.

After claiming that they had ‘broken up’, Gia contacted Scott one more time via phone, in which she tried to pressure him to leave the experiment.

Once he returned to their apartment, Scott found Gia’s wedding ring on a bench.

He then turned to his final task, leading Scott to speculate on camera over why Gia was so anxious to leave the show.

‘She literally just lied to my face,’ a tearful Scott said in his confessional.

‘Why did she want to leave so bad? She wanted to leave because she didn’t want me to see what she did on the final test.’

Scott then revealed he was about to pay for a new house for Gia and her family, as well as financing her relocation.

‘I was about to give my whole life to her and her daughter,’ he said, breaking down.

‘I’m done… she is a complete manipulator, hypocrite, she just f**ed me over, and I paid for everything in this experiment.

‘I just got f***ed for three months, she just used me. She used my money and my life; she just broke my heart completely.’

Breaking down into tears, Scott then declared, ‘She just used me – I’m never gonna let this happen again.’