The body builder and health and safety fanatic has apparently already bought an expensive ring.
The reported plan is to sneak him in to the house to pop the question live on air on Sunday.
"It had been my plan to propose - and I had told someone at Big Brother. Then, lo and behold, within ten minutes of entering the house, I was getting married."
Davina McCall will apparently make an announcement about the surprise on tonight's show following the eviction.
Let's hope Lisa doesn't get voted out this evening!