Mario and Lisa suspicious of Belinda

Mario and Lisa have told some of the other housemates that they are suspicious of Belinda and believe her to be an "actress".

As the couple sat with Luke in the bathroom last night, Lisa said: "The trouble is when someone's done theatre then you don't know whether you're getting the real thing."

Luke agreed: "We don't know if this woman is breaking into song because it's her or because she wants to make it seem like her."

When Luke, Mario and Lisa were joined by Bex and Dale in the luxury bedroom later, Mario confessed that Belinda had told him and Lisa that she didn't think they would win.

"She shouldn't be saying stuff like that!" Luke exclaimed. "She's been here less than 24 hours."

Mario said he was sure she will be reprimanded by Big Brother for her comment.