Had to be Jadine i think? i think he genuinely regretted letting her go but felt he had to because she was beginning to feel the strain. i heard that Jadine could have won if she'd managed to hold it together and i can remember Sugar did speak very highly of her afterwards on the 'why i fired them' programme.
http://www.youtube.com/watch?v=ZtROZUjJLdk
http://www.youtube.com/watch?v=ZtROZUjJLdk