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We just can't keep up with Rihanna's constantly evolving hairstyle!

The singer rocked a mullet -- pixie in the front, pig tail in the back -- on Friday while jetting off to Miami Beach. She Instagrammed photos of herself goofing off with her posse (read: straddling several friends' laps) on board the private plane. Only Rihanna could make a mullet look sexy.

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RiRi also looked fashionable in a River Island printed tunic with slits on the side that tastefully bared some skin. She paired the extra long top with matching leggings. Before she put on the funky get-up, she posted a photo of herself lying in bed with the underwear that would later peek out of her pants.

Once on sold ground, she rubbed elbows with Jay Z and Kevin Hart, who then hung out with Justin Bieber. It's such a small word/Miami night scene.