Both Rihanna and Gaga have upcoming era's that will overlap each other inevitably, so who will rule the Hot 100? Gaga has been said to be going back to her more radio friendly sound of TFM, which the public ate up. Rihanna has always been a GP favourite, but has only scored one #1 hit from her recent era, compared to 3 last era. So will it be Rihanna or Gaga?
Place your bets!