Rihanna is opening up on her decision to turn down the NFL's invitation to perform at the Super Bowl last year ... saying she "couldn't dare do that" to Colin Kaepernick.
It was widely reported that RiRi rejected the SB 54 Halftime Show -- the biggest entertainment event in the world -- because she believed the controversial NFL QB was being blackballed.
In her cover story with Vogue, the singer confirmed she was taking a stand against the league.
"I couldn’t dare do that.