Billie Shepherd has come under fire after her shop has being accused of "copying" a cardigan from another designer.The 31 year old took to Instagram on Monday to show off the knitwear, which is stocked in the store she runs with her sister Sam Faiers, Minnie's Boutique. Posting an image of herself in the garment to her 2.3million Instagram followers, claiming it is "the most beautiful cardigan." The multi-coloured number features a pink trim and floral buttons made up from small pearls.