Digital Spy comment idea is brilliant...

[Tregard]

Nigelk : A great twist would be to have an actor in the second group tomorrow night and Michael not being aware of this double twist...

http://media.tumblr.com/bc62d480f688dedd6baf8775d3fa5fb9/tumblr_inline_mn48o3jMgt1qz4rgp.gif

[Mystic Mock]

That would be brilliant but BB probably haven't thought of it.