Marnie will be hoping to make it three Geordie Shore winners of the show, following in the footsteps of Charlotte and Scotty T to take the crown on Friday night (26 August).
Chatting to Reveal, Charlotte, 26, said: "I think she has a very strong chance of winning. I've been backing her the whole way. Marnie has every chance of winning. Jason won the last [Big Brother] and I think he was an absolute ar*ehole."
Of course, we had to ask what Charlotte thought of *that* moment at the very start of this series when Marnie, 24, flashed her breasts at Saira Khan during a truth or dare game.
Charlotte admitted: "I wasn't very happy with Marnie flashing her boobs but she isn't a bully and she isn't a nasty person and if she was around a different crowd of people, she wouldn't have acted that way.
"But Marnie is easily led and Bear led her to do that. I massively believe be provoked that. Marnie, if she's drunk, will be easily led. She's definitely not nasty and she doesn't want to hurt anyone's feelings. She proved that when she approached Saira in the bedroom to sort things out. It was a stupid game that escalated too far but I don't think it impacted on her winning or anything."
The CBB final airs 9pm on Channel 5 when either Bear, Marnie Simpson, Ricky Norwood, Frankie Grande, Aubrey O'Day or Renee Graziano will be named winner.
Charlotte's new InTheStyle collection is available to buy online now.