The trailer shows her housemates left deliberating on who to side with, as she claims that Ryan, 34, punched her repeatedly with the intention of causing harm, whilst he insists that it was just playful nudging.
Roxanne's former Emmerdale co-stars and Ryan's former Coronation Street co-stars have spoken out in support of Ryan over the incident.
She said: "Ouch that hurt, I was going to wash your clothes but I might shrink them now".
He went on to say: "Just had a colleague who witnessed my encounter where I was falsely accused of violence, contact me and share the event". "We can't make any more comment at present until such time as Roxanne is out of the "Big Brother" house and is able to address this situation herself". "When she said that, I was like, "Woah".
In tonight's show, the other housemates get involved in Ryan and Roxy's feud as Ryan hits back at the claims Roxy has made against him.
On Saturday morning, an official spokesperson for the Channel 5 show: 'Roxanne has made a decision to leave the BB House.
Roxanne and Ryan seemed to patch things up the day before she chose to leave.
As well as her acting career, Pallett also co-hosts the Breakfast Show on York-based radio station Minster FM.
He later spoke to Roxanne and the pair shook hands, apparently drawing a line under the controversy.
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Among them was former chief prosecutor Nazir Afzal, who said the actress "clearly has issues and needs help".
Then he said, "My life is in tatters", after the punching incident.
The soap star was seeking solace from housemates in scenes shown on the live feed.
When he was talking about what happened, the soap star broke down and admitted that he felt, "Really, really really bad". I just want to apologise.
"I feel like I need to get myself together a bit and have 24 hours". I don't want this to be our ending, I don't want this to be your ending, I don't want this to be my ending.
The reason for Roxanne's seemingly unreasonable reaction to Thomas's playfighting could lie in her allegedly traumatic previous relationship.
She has had a whirlwind few weeks, surviving a crash in a stock auto race in July and getting engaged a week after meeting her boyfriend Lee Walton.
At the time, Roxanne said: "Ow, woman beater!"