Calum Best and Towie’s Jon Clark in furious row over Love Island’s Chloe Crowhurst at V Festival

JON Clark reacted angrily after seeing Calum Best at V Festival on Sunday, with the Towie man believing the Celebs Go Dating star had been dating his ex-girlfriend.

The pair were hanging out separately in the VIP area in Hylands Park, Chelmsford, when tempers flared and the pair had to be separated.

An onlooker told us: "Calum and Jon were partying separately with mates in the VIP and when Jon walked past Calum, he said something that seemed to really p**s him off. Jon seemed pretty drunk and started on him.

"Calum was trying not to react - he didn't seem to want to get into a fight and his mates were holding him back so it ended pretty quickly but there was a bit of swearing and shouting from Jon as he walked away."

However, it soon came to light that Love Island star and Jon's ex Chloe Crowhurst was at the heart of the altercation.

Another source explained: "Jon went off on one because he'd heard - mistakenly - that Calum had been dating his ex Chloe Crowhurst.

"When he heard that she'd been speaking to Calum, he lost his s**t. For some reason, it really wound him up and he confronted Calum about it when he saw him at the festival."

It was a drama-filled weekend for Jon as on Saturday he had to be dragged away from Fran Parman following another heated argument.

An eyewitness told us: "Jon and Fran were talking then started screaming at each other all of a sudden.

"He was shouting, 'shut up, just because Diag's dumped you!'

"It was awful, everyone was staring at them."

The onlooker revealed that Jon's brother Chris's girlfriend Amber Dowding had to step in to stop the row.

They said: "Amber pulled him away, she literally had to drag him off."

Former Towie star Fran was left "shaking" by the row, the insider added.

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