Sincerely Ria New York Fashion Week 2021 Collection Mariama Diallo, showed her debut RTW collection from her self-financed brand, Sincerely Ria, on Sunday, February 14th at 2pm EST at NYFW. Not only is she a supermodel, but she’s an actress and activist as well, speaking for those affected by human trafficking globally. Titled “The Oshun”, this collection ...