Charlotte Crosby and Josh Ritchie's breakup shocked their fans as their relationship appeared to be going from strength to strength.
And he's now threatened to reveal the real reason why they split up as he claimed he gets hounded with abuse from her fans for ending their romance.
Josh, 25, retweeted a post made by his sister, The Apprentice star Michaela Wain, who said he was being "bullied" by her diehard followers.
Michaela posted: "I'm sick of reading people calling my brother 24/7 for splitting up with someone. All these people think they know everything about someone because they watch some insta stories.
"I'm gonna start giving them a load of s*** see how they like being bullied. B*****ds."
Josh then quote tweeted her post, adding that Charlotte's fans would get even more angry if he spilled all.
He said: "They all idiots imagine if I said the real reason why I split up from her."
Mirror Online has contacted Charlotte's reps for comment.
Charlotte previously claimed that she had "so much evidence" that Josh cheated on her when they were together but he has always denied it.
She is currently appearing on the Australian version of I'm A Celebrity... Get Me Out Of Here and said their entire romance was "all wrong".
Charlotte revealed she would be "lucky if we kissed once a day" and they would "never kiss with tongues".
Talking to campmates Myf Warhurst and Tanya Hennessey on the show, she said: "It's the best thing that could of happened to us because that relationship was all wrong.
"He wouldn't even hold me hand, there was no like affection. We would never kiss with tongues, it would be lucky if we kissed once a day."
