Braless Demi Rose Mawby comes dangerously close to a wardrobe malfunction as she flaunts her VERY ample assets in a plunging LBD at magazine party

She’s never been afraid to flaunt her sensational figure. But Demi Rose Mawby left barely anything to the imagination as she slipped into a plunging black dress for the SIXTY6 magazine launch party at London’s Soho Sanctum hotel on Thursday.