An insider claims that Ricky had been texting X Factor contestant Lydia Lucy behind his girlfriend’s back.
Jess, 29, was reportedly searching through Ricky’s phone when she found texts from the 21-year-old aspiring pop star.
The couple allegedly came to blows during filming at co-star Jasmin Walia’s Diwali festivities.
A source told The Mirror: “Jess is furious. Ricky has cheated before, so this is totally unacceptable to her.
“She found flirty messages between him and Lydia and it felt like history repeating itself.
“She confronted him during filming, which really upset Ricky. He felt she could have asked him off camera, so it got his back up.
“It was heated – they were screaming. She expected him to just apologise but instead the row could end their two-year relationship.”
It was claimed earlier this year that Ricky, 24, had cheated on Jess with another X Factor contestant Lottie Lou, but the allegations turned out to be false.