ALBAWABA - Fans of Turkish star and model Hande Erçel are shocked after rumors that her old boyfriend, Turkish businessman Hakan Sabancı, is in a new relationship with actress Tuba Büyüküstün. The internet was buzzing with the allegations that Hakan Sabancı is in love with Turkish star Tuba Büyüküstün, highlighting that he ended his relationship with Hande Erçel in late August. Tuba Büyüküstün and Hakan Sabancı's love rumor: Hande Erçel ...