Zara McDermott has been seen breaking down in tears and begging for forgiveness from Sam Thompson as her cheating is exposed in a preview for next week's Made In Chelsea.The 23 year old admitted to cheating on Sam, 28, last month as she vowed to prove herself to the blond hunk. Former Love Island star Zara is seen looking downcast as she enjoys lunch with friends in a teaser for next week's episode, with a pal asking her if she's okay.