All eyes have been on Love Island exes Callum Jones and Molly Smith since they entered the All Stars villa as bombshells earlier this week.
The couple - who fell in love on the 2020 series before calling it quits last summer after three years together - seemingly had no idea that their former other-halves would be appearing on the big-name ITV2 dating show again.
And since Monday night's high-intensity debut, the Mancunian reality stars have been at loggerheads in the plush South African love-shack, as they watch one another search for love elsewhere to stay in the villa.
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Within hours of landing on the show, blonde beauty Molly, 29, locked lips with fellow returning stars Chris Taylor (2019 series) and Luis Morrison (2015) as part of a challenge - despite Callum having chosen to recouple with her.
As the trio began their three-way smooch, ex-scaffolder Callum was forced to avert his eyes and even scrunched his face into his hands.
During last night's ep, viewers saw things become rather heated between the pair (and not in a good way) after Molly claimed Callum rarely paid her compliments when they were together. Awkward...
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It previously looked as though the pair - who shacked up together in their hometown of Manchester after first appearing on the show - were on the right track with their romance, having remained together for three years.
But their subsequent split was revealed by a source in September last year, who told The Sun that Molly 'wanted to get engaged and that didn’t happen'.
A second insider went on to claim that Callum had 'totally freaked out' by the level of commitment that Molly was hoping for, and that the split was 'very real, very raw' for the model, who is 'still very hurt by it'.
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Speaking of her appearance on the All Stars show, they went on: "Genuinely she had no idea he was going to be there and will have been properly gutted to walk in and him be there.
"Basically with Molly coming up to her 30th birthday, things naturally started to feel more serious and she wanted to start looking at the next logical steps in their relationship.
"It’s not exactly demanding to have expected Callum to be on the same page given they lived together and owned two dogs."
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Tensions between the duo are continuing to rise on the show - especially since Callum discovered that his ex had once again kissed social media star Chris Taylor - who is also famed for having appeared in the Barbie movie last year.
During the dispute, Molly accused her ex-beau of 'taking her for granted' during their three-year relationship, blaming him for it breaking down.
And today, another former Love Islander - who has followed Callum and Molly's love story since the very beginning - has chimed in on their awkward relationship.
In fact, at one point, this particular star was part of a love triangle alongside the now bitter exes, having appeared alongside them four years ago.
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We are, of course, talking about Shaughna Phillips, whose heart Callum famously broke back in 2020 after meeting Molly during the Casa Amor segment.
Despite having lost out to the labourer during her own high-drama series - after Callum claimed he wasn't sexually attracted to her - Shaughna last night made it clear that she's definitely Team Molly during the dispute.
Sharing a glammed-up snap of her ex-co-star on Instagram Story, Shaughna, 29 - who welcomed her first child in April last year - dubbed Molly 'a queen' alongside a string of love-heart emojis.
Tyla has contacted Shaughna's representatives for a comment.
Topics: Love Island, Celebrity, TV And Film, Sex and Relationships, ITV
Rhianna Benson