see the woman that trashed her husband Porsche,put laxatives in his drink, cut up his clothes-and fought him tooth and nail for control of bra company because he cheating on her.

She's one of Britain's most flamboyant businesswomen. Now Ultimo bra tycoon Michelle Mone is laying bare how her marriage became a battle more bitter than any she'd faced in the boardroom. Today, in our concluding extract, she

reveals how she finally exposed her husband Michael's affair (pictured together left) - and plotted her revenge. Michelle's marriage began to break down after her newly-hired head of design Samantha Bunn became close and overly 'flirty' with her husband. Her suspicions that the two had been having an affair were confirmed by photos taken by a private detective not long after the couple had split. In this sensational extract Michelle also describes her encounter with former cricketer Shane Warne, claiming he was 'too wild' for her.