Kapernick, 30, who once admitted to having a crush on Rihanna, 30, according to US, drew national attention, and anger, when he refused to stand for the national anthem early in the 2016 season. Instead, he took a knee to potest police brutality. The former San Francisco 49ers quarterback was released by the 49ers after the 2016 season and hasn't played since.
He filed a grievance against the NFL and team owners last year, accusing them of conspiring to keep him from playing in the NFL.
Entertainment Tonight reported singing star Pink also turned down an invitation to sing at next year’s Super Bowl.
Adam Levine’s pop-rock band Maroon 5, however, was also invited to perform and it jumped at the chance.