Married at First Sight UK stars Luke Dawson, 36, and Marilyse Corrigan, 36 have sparked romance rumours after fans became aware of their close friendship.
The hit E4 show came to an end last week, with the hotly anticipated reunion airing on Monday.
Viewers are now starting to learn what the cast have gotten up to since the show wrapped, and which relationships have ended.
But it seems the relationship that has piqued fan interest the most is one they never saw coming.
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It turns out firefighter Luke and personal trainer Marilyse are so close, he has even met her two sons Calum, 15, and Josh, 13.
Luke spilled all the details on the podcast MAFS Lessons as he described Marilyse as his “bestie”.
"I got on with everyone, I am still really close with Adam, I'm really close with Rob and weirdly my bestie from the show is Marilyse.
“Franky and Marilyse during the show kept to themselves and it wasn't until the final weeks that they started coming to the parties.
“I love Franky and I love Marilyse, me and Marilyse have loads in common, we're similar ages, I've been up to see her and meet her boys.”
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He added: “She is what you see, she is the classiest person in the UK. She is fab, for me I get on with everyone but I am closer to others."
After Marilyse posted a cute snap on Instagram with Luke and some of her other MAFS cast members, fans speculated the pair might be more than friends.
One commenter said: "You and Luke would make a fab couple."
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While a second person wrote: "You two would be a good couple Luke and Marilyse."
A third speculated: "Definitely together ❤️ look good and from the other photo body language says it all."
Marilyse and husband Franky, 47, are still together however Luke and Morag, 31, appear to have split. You can find out more about the couples' current status here.
Married at First Sight UK is available to watch on All4 now.
Featured Image Credit: @marilyse_elena_corrigan_pt/InstagramTopics: Married At First Sight, TV And Film, Channel 4