Rihanna, Kanye West, and Paul McCartney all donned Canadian suits for the music video for FourFiveSeconds, the first single from Rihanna's new album. In this behind-the-scenes clip from the shoot, Rihanna reveals that Kanye West inspired the trio's look for the video. "Kanye came up with the idea of doing just some real street denim -- all American type look," Rihanna explained. "Denim never goes out of style. It's classic. It's iconic -- just like the f*cking Beatles!" Watch the clip, above.