Beyoncé & Rihanna on the same stage

Jay-Z’s three shows at Yankee Stadium this week featured what could also be described as a major mega celebrity wedding guest list and giving us one of the rarest occurrences in pop culture: Beyoncé and Rihanna in one show? It’s a unicorn event.But let’s start on Friday when Jay-Z kicked off his weekend residency to celebrate 30 years of Reasonable Doubt, now considered a cornerstone album in the history of music, a seminal piece of work not only in rap but music in gene