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The 29-year-old, who has admitted that she finds the boxer attractive, slept next to him after a boozy pool party last night.
Once the housemates woke up this morning, a number of the group began to speculate about the pair's relationship.
"A new romance is budding in the Big Brother house," Sam quipped.
"We just cuddled," Corin told Jo during a conversation in the garden.
"That’s nice," Jo replied.
"It was well cuddly, do you know what, it was just so nice to have a cuddle," said the former sales assistant.
"It starts with a cuddle," Mario joked.
"You're both quite shy really," Jo added.
Corin said that she couldn't believe everyone was quiet when they went to bed, saying: "It was the first night ever that everyone in the bedroom was silent."
"It's quite nice and innocent because he's really respectful," Jo continued.
"We wouldn't kiss or anything like that… it was good to be cuddled," Corin declared, before admitting: "We were even holding hands at one point."
"Holding hands? You know this is getting serious," Jo joked.
Corin was unable to hide her excitement, confessing: "I do feel giddy. I could just drink a bottle of wine now to get over my nerves."
