Chantelle sensationally quit the MTV show over the weekend, tweeting: "Let's just say I couldn't live with 2-faced, would rather be with love of my life any day (sic)."
Now, she's given an interview to MTV.co.uk confirming her exit and explaining that she didn't want to live in the house anymore, and opened up about snogging Gaz during drunken nights out.
Chantelle, 26, said the pair shared "three drunken pathetic kisses in Magaluf" before she ended things, partly because she had a secret boyfriend back home in Newcastle called Tommy Sayers, and also because she felt bad for Gaz's ex Charlotte.
"Gary Beadle turned very bitter from the minute I stopped that. I noticed a big change in Gary, he wouldn't speak to us," she said, adding there was a massive row with Gary on her final night before quitting.
So, did she tell Charlotte what happened?
"I've also spoken to Charlotte, saying I'm sorry and what really happened in the house," said Chantelle. "I told her the truth, I was never going to keep it from Charlotte. She said it wasn't nice and she didn't expect anything from us but she appreciates the fact I went and told her."
(As an FYI, it was just kisses as Chantelle tweeted: "Never slept with anyone EVER on the show !!!"
Charlotte quit Geordie Shore before filming for series 13 started, saying she didn't want to be around ex Gaz anymore. They've had an on-off romance for years, but things turned hostile this month with rows on Twitter, after Charlotte revealed she'd been hospitalised with an ectopic pregnancy while Gaz was filming Ex On The Beach 5, saying she found out he'd slept with someone else while she was recovering.
Gaz hit back by saying he'd been single and Charlotte couldn't blame him for her decision to leave.
As well as rowing with Gary and missing boyfriend Tommy, Chantelle said she fell out with Chloe Ferry and Marty McKenna, stating: "I've left on very bad terms with Marty, Chloe and Gary. I wouldn't piss on them if they were on fire."
Chantelle joined Geordie Shore in series 12 alongside Marty McKenna. She was an immediate hit with the boys, with both Aaron Chalmers and Scotty T vying for her attention. She memorably had Aaron's name tattooed on her (and he had her name on him) during their first date, but she preferred Scotty.
Things with Scotty turned sour, however, when he made a remark about ditching her if she didn't sleep with him sooner rather than later. "No, mate, you're not getting in my knickers that easy," she retorted, throwing a drink in his face.
Geordie Shore's series 13 filming continues in Ayia Napa.
Geordie Shore : Why Aye Love You begins on 12 July at 10PM, only on MTV.