R&B star Usher will headline the Super Bowl halftime show in Las Vegas next year, it has been announced.To share the news, Usher brought in reality star Kim Kardashian who can be seen telling the singer he had been selected in a video shared to social media.The clip references the singer’s music video for his song Confessions II, where he tries to shake off someone on the phone as he is working in the studio.This time, Kim ignores his protests and tells him: “I finally got the answers to those rumours. It’s not about me, it’s about you.