The model was evicted from the house shortly after Luke Scrase in tonight's final.
"I'm so happy, thank you to everyone who's voted for me," she told Brian Dowling. "I didn't even think I was going to get in the final."
Asked about the arguments in the house, she added: "It was a nightmare. I didn't really understand what was going on at times. It was horrible."
When Dowling quizzed her as to who was the bitchiest housemate, she said: "I like Caroline but - yeah."
Luke Anderson and Adam Kelly will now battle it out to be crowned winner of Big Brother 2012 after Deana Uppal finished third.