New York, NY – January 9th: ROC Nation Sports presents throneBoxing at the Theater at Madison Square Garden. JAY-Z poses with Rihanna as he sits ringside for the card. January 9th, 2015. (Photo by Anthony J. Causi) American superstar Jay-Z and Rihanna have been sued by a Nigerian promoter/businessman for over N30 million naira ($160,000) […]