Could there be some animosity between Rihanna and Katy Perry? As you know, in the recent NRJ Music Awards in France, Perry had to give up her award for International Song of the Year because it was mistakenly given to her. The true winner was Rihanna’s Disturbia. The paths of the two have not crossed since the night’s fiasco, but we’re sure to be watching out for it. That would be one hot girlfight!