When “Selling Sunset” and “Selling the OC” premiere on Netflix later this year, there will be some new faces at the Oppenheim Group, including Sandra Vergara, Sofía Vergara’s sister, who will join the Los Angeles-based cast of “Selling Sunset” for Season 9. Kaylee Riccardi, Fiona Belle and Ashtyn Zerboni will be new to the cast […]