In the fall of 2004, Usher and Alicia Keys dominated the charts with their now-iconic song “My Boo.” Now, nearly two decades later, the Grammy winners are reuniting for something special. On the heels of the tune’s anniversary, Usher, who recently announced the final dates of his acclaimed Las Vegas residency , teased the possibility that a remake of “My Boo” — which skyrocketed to No. 1 on the Billboard Hot 100 on October 30, 2004, was on the way really soon.