' X Factor ' hopeful Tamera Foster has split from her boyfriend in order to focus on the show, it has been reported. The 16-year-old called time on her romance with Joshante Amihyia, 20, at the weekend, after he reportedly struggled to cope with her new-found fame. Tamera Foster A show source told The Mirror : "Their relationship is volatile and they don't seem to be able to make it work at the ...