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Rihanna, Katy Perry, Hair

Dominique Charriau/WireImage; AP Photo/Rob Griffith

In case you've missed it: Rihanna and Katy Perry have been rocking nearly identical haircuts for the past few weeks. The only difference in the pop stars' blunt-bob-with-bangs style—also know as the Cleopatra cut—is that "Diamonds" singer's crop is slightly longer than "Dark Horse" singer's 'do.

Rihanna has been sporting her new hairstyle at the front row of nearly every Paris Fashion Week show—including Chanel, Stella Mcartney, Givenchy, Jean Paul Gaultier, Christian Dior, Lanvin and Miu Miu. (Yeah, she's been quite busy!)

Meanwhile Perry—fresh off her breakup with John Mayer—has been jet-setting all over the world from Milan to Tokyo and now she's in Sydney.

Being that both gals tend to switch up their looks pretty regularly, we're not sure how long this twinsies effect is going to last. But while it's still intact, let's take a vote: