Lottie was shown on last night's show getting booed following her audition of Lily Allen's Sheezus, and now she is claiming Ricky Rayment cheated on girlfriend Jessica Wright with her.
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TOWIE star Ricky admitted to cheating on Jess last year, and Lottie is insisting she is the other woman.
She told The Sun: "I didn't really know he was with Jess. I'd seen him on TV but they say that on TOWIE scenes are created for the show.
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"So I didn't know if they were together or if it was just for TV. We started getting to know each other better and things went from there."
The wannabe claimed that Ricky tried his best to keep her and Jess apart, suggesting "there's a guilty conscience there".
Speaking on The Only Way Is Essex last June, Ricky confessed to Jess that he had in fact cheated on her, and that it was only one time.
He told her: "I made a mistake. I'm not a cheater. You know who I am. Don't forget the last twelve months. That's still me."
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Jessica eventually forgave Ricky for his mistakes, and it seems the pair are unbothered by Lottie's desperate attempts to stay in the public eye.
They are currently in Spain to celebrate Jess' birthday and, apart from commenting on the weather, both have stayed silent since Lottie's claims.