The show has had viewers gripped since it launched at the end of August and during last night's Married At First Sight finale Adam Aveling had some big news for his 'wife' Tayah Victoria.
The couple have had a smooth ride since they first met on their wedding day on the E4 show, with their honeymoon bringing them even closer together.
At their vow renewal ceremony a nervous Adam said he felt "something was missing", and Tayah burst into tears as he popped the question and agreed to be his wife.
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The romantic moment left some fans, who thought the couples taking part were already married, confused.
One viewer fumed: "Soooooo, their not married at 1st f*****g sight then are they?
"It's called 'married at 1st sight' but their not married, I'm fuming #MAFSUK @E4Tweets I'm angry, confused, and frankly disappointed in your lies."
"So do they actually get 'legally' married in #MarriedAtFirstSightUK #MAFSUK because im confused do the ones who have left need to get a divorce/annulment?" asked another fan who took to Twitter.
Another said: "Well tbh I didn’t really question it till the end when he asked her to marry him strange show won’t be watching again that for sure."
"No divorce or annulment... it's all for show. Dissapointing huh?" said another viewer.
"Me realising they're not actually married after Adam proposes to Taya," tweeted another.
But another viewer responded: "You're asking this now???"
Married At First Sight, described by E4 as a 'bold social experiment', sees single strangers matched by experts and they meet for the very first time at their wedding day.
However the weddings featured on the UK dating show, which follows the Australian format, are not legally binding unlike the US version.
Here in the UK they have to simply promise that they will stay together instead of being legally married.
A spokesperson previously told the Metro : “Following the Australian format, rather than legal marriages, the couples will make a lifelong commitment to one another at a glamorous ceremony, overseen by a wedding celebrant, that includes guests, bridal gowns, dancing, speeches and cake.”
Another viewer said about the scenes: "Adam and Tayah are everything. So wonderful to see them so happy #MAFSUK."
