We all know that Rihanna's proven she's endlessly stylish, as she even gave birth with pearls and sunglasses on. I can only imagine what the “Diamonds” singer will pull out for this big day.

Kai started playing the singer’s hit song Diamonds and danced in front of his camera in celebration. “Rihanna just texted me. What the f**k. What the f**k. RiRi. Ay, shoutout to RiRi ...

She then performed again on the Super Bowl stage when she and Bruno Mars joined headliner Coldplay on the field for the Super Bowl 50 Halftime Show in 2016. Rihanna Is 'So Focused' on Super Bowl ...