After two years of marriage, Usher’s wife, Grace Miguel, has filed for divorce, citing irreconcilable differences. The couple announced their split last month amid the singer’s mounting legal issues concerning his alleged spread of genital herpes. ⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀ “After much thought and consideration we have mutually decided to separate as a couple,” the couple