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Thu, Mar 15, 2012 1:51 PM EDT

Rihanna was a guest on Ryan Seacrest's radio show Thursday morning and said she decided to work with Chris Brown again because he's the "hottest R&B artist out right now." Her comments mark the first time she has commented publicly about the controversial remixes. "The first song that came about was 'Birthday Cake' ... we ended up recording [the two songs] at the same time and executing them together," she explained on to Seacrest. "But I reached out to [Brown] about doing 'Birthday Cake' because that's the only person that, really, it made sense to do the record.