The Katie Price lookalike, who has spoken regularly of her crush on Nathan, began probing him about what he's been up to on the outside world - forcing him to admit: "I've got a girlfriend."
"What's her name?" she asked, hiding her disappointment. "Rachael," he replied.
"Not the Rachael on here," she exclaimed. "No way. Shut up! You liar!"
He admitted: "We just started dating since I got out." Corin joked: "I'm well pissed off!"
Conversation moved on but it wasn't long before Corin wanted more details on the blossoming romance. "I can't believe you're seeing Rachael. I'm annoyed. Fancy bringing you in for a date, you're no good to me Nathan!" she laughed.
"Hey you're part of my little posse of bitches. Anyway what are you on about, gallivanting with JJ!" he quipped.
Big Brother then announced that the reunited duo's 'romantic date' was now over, and Corin complained that it was a waste as she hadn't even tucked into her dinner yet.
"You was a wasted date anyway now you've got with Rachael," she said, begrudgingly admitting: "I'm happy for you."
The friends hugged and Corin's eyes welled up, as she confessed that she was "gutted" that she had to return to the house. "Thanks, mate," she told him.
Nathan reassured her: "Hey, I'll be there waiting for you. I love you to bits."