JAY-Z has 99 problems and heavyweight boxer Anthony Joshua thought he was one of them in 2013 at a film premiere, according to The Daily Mail. View this post on Instagram A post shared by Anthony Joshua (@anthonyjoshua) The 31-year-old boxer told the outlet he and the Brooklyn rapper attended an unnamed Will Smith premiere in 2013. "JAY-Z is cool," the two-time unified world heavyweight champion said before delving into his recount of the night. "So imagine — you know those lovely houses that are like mansion houses, and they've got a stairway in the middle, and they depart around left and right, and they come back?" Joshua described. "Pure opulence. I was at this big premiere, and it was one of those big staircases, and I was in the top left. And I saw JAY-Z walk-in." Joshua recalled being very excited but wanted to "play it cool," trying to gauge how he wanted the encounter to play out. "So I thought: 'What way is he gonna come up these stairs? Because if I stand on the left...