Amanza Smith’s mysterious boyfriend will make an appearance during season six of ‘Selling Sunset’. The reality TV star has been dating her boyfriend for months – but until now, she’s managed to keep his identity under wraps. Asked if he’ll appear on the show, Amanza told E! News: “He filmed a scene with me the other day via FaceTime because he is still playing football in another country. He’s amazing and he’s not going anywhere.” In April, Amana explained that she was making a concerted effort to keep her romance “private”. However, she was happy to describe her boyfriend as “kind-hearted, sm…