Todd: Let's talk about Rihanna. Video for "Umbrella" Jay-Z: Uh-huh, uh-huh, yeah, Rihanna Todd (VO): Rihanna is one of the biggest pop stars alive, no one disputes that. But I don't think it really sinks in just how successful she is. What pop star has the most buzz right now, at this moment in time? Todd: Possibly Kanye, or Taylor Swift, or Drake, or Beyoncé? Video for "We Found Love" Todd (VO): I honestly wouldn't necessarily pick Rihanna because this is not really a peak year for her, the way that 2007 or 2012 were. But that's because Rihanna... Clip of teaser for... Todd: Eh, it's alright.