A host of models, designers and football WAGs attended the grand opening of Nadia Bartel's new fashion boutique in Melbourne on Wednesday. The first brick-and-mortar store for Nadia's Nordic-influenced minimalist brand Henne is now open for business at 120 Greville Street in trendy Prahran. Fellow WAG Bec Judd was in attendance for the low-key launch party The 36-year-old ex-wife of …