He said: "She's definitely got that potential, she's an amazing girl.
I know she's got her situation to sort out on the outside that I need to respect, but once she comes out and sorts that out, whatever she wants to do I'm happy with.
He said: "It's been like my worst nightmare come true. I feel changed as a person – Bianca was everything to me, she was my best friend, I thought she was going to be the mother of my children, but she's ruined it all – and what for, Jamie O'Hara?
"I have to respect the fact that Bianca has a situation on the outside, I didn't know that while I was in the house, but I respect her as a woman.
She obviously has to deal with that situation when she comes out.
"Bianca will be squirming to see her boyfriend join her in there.
The cruel twist follows accusations that Bianca "told Big Brother producers that she was single in order to guarantee her place in the house", despite being in a relationship with the cage fighter Meanwhile, Calum is said to have split from Lindsey shortly before entering the famous compound after months of dating.
You can tune in to watch the action from 9pm tonight (January 3) on Channel 5.