Celebrities regularly trigger various fashion trends, whether that's a new take on the classic little black dress or surprising us with non-traditional wedding dresses. After Love Island’s Sharon Gaffka, Laura Anderson and singer Alexandra Burke set a huge trend on the colour pink earlier in the week, there is already another which has come along with thanks to Rihanna and Chloe Sims.The 34-year-old who ripped up the rule book at Paris Fashion Week stunned as she by stepped out in a tiny black thong, lace bra and a totally sheer skirt pulled up over her bump for Dior’s Autumn/Winter show.