The besties have more in common than their sexy, unconventional style, their constantly changing hair and their pulse-quickening dance moves. Katy Perry has just tied her BFF Rihanna at radio, matching her for the most No.1s on the Mainstream Top 40 chart. Perry’s ‘Wide Awake’ just landed in the coveted No. 1 slot, marking her ninth No. 1. Wow! That’s a lot of chart toppers, Katy!

Now the question remains. Which diva will pull ahead and score the 10th No. 1 first? Perry looks to have closed out promotion of ‘Teenage Dream’ with the reissue, which included ‘Wide Awake,’ while Ri is still banging out jams from ‘Talk That Talk.’ Both are expected to work on follow up albums sooner than later.

Watch the Katy Perry ‘Wide Awake’ Video

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