A mum-of-two has transformed her life after overcoming a crisp addiction to achieve her dream physique. Lisa Bernett, from Hertfordshire, would secretly snack behind her family's back, consuming four bags of her favourite potato-based treat daily. At her heaviest, the 43-year-old tipped the scales at over 20 stone (st) and admits she had an unhealthy relationship with food.

Lisa would even feign ordering meals for her partner, Ashley, at fast food outlets just to secure double portions. "Often, I would polish off four packets of pickled onion Space Raiders," Lisa told What’s The Jam. "I just love crisps and savoury snacks.

.. Crisps made me happy as I could just keep eating them and they weren’t finished after a couple of bites.

"I enjoyed Doritos dipped in sour cream chive dip and Marks & Spencer's beef and onion." On a typical day, Lisa wouldn't eat breakfast but would have two bagels with cheese, onion and 'lots of butter' for lunch, followed by a family-sized packet of crisps. Meanwhile, dinner would typically look like a big bowl of spaghetti, roast dinner or takeaway.

Despite Lisa's attempts to diet, she would usually return to her unhealthy eating habits. The turning point came when her best friend and mother-in-law tragically passed away. She continued: "We were all heartbroken and any thoughts of healthy eating went out of the window.

But as time passed, Ashley told me he wanted to lose some weight. 'I’ll do it with you,' I said. 'There’s no way you’re going.