The model-turned-actress lays in bed with Celebrity Juice comedian Leigh Francis and gives a very candid response to his questioning.
WARNING: ADULT CONTENT
Brook had previously revealed on Twitter that she was on the set of the movie in the middle of last month.
Keith Lemon: The Film is released this August.
> Keith Lemon: The Film begins shooting in Belfast - on-set pictures
Watch Kelly Brook's 'Perfect Pair' video for Sport Relief below: