In tonight's episode of TOWIE (29 October), Jessica will be seen breaking down in tears as she discovers that her long-term boyfriend has been privately messaging a girl on Twitter.
Jessica is devastated to learn what has been going on behind her back and is shown confiding in her girlfriends as tears pour down her face.
Later in the show, the furious reality star confronts Ricky at Jasmin Walia's Diwali party and an explosive argument errupts. Could this been the end of our fave TOWIE couple?
Jessica and Ricky have been dating for two years and, for the best part, their relationship has been plain sailing.
However, during a cast trip to Las Vegas in September last year, the couple briefly called time on their romance after Ricky got angry with Jessica for dancing on stage with Chippendale performers.
Four months earlier, Jessica also suffered heartbreak when Ricky admitted he had slept with another girl just a few weeks into their relationship.
At the time, viewers saw him tearfully tell Jess: "I went out got drunk I don't even remember what she looks like, I just know that it happened."
Eventually, the couple managed to work through their differences - and Ricky even won her mum Carol and Nanny Pat over by composing a poem for Jessica - but could this latest blow be the final nail in the coffin?
The Only Way Is Essex, 10pm, ITVBe, Wednesday 29 October