From Entertainment Weekly:

Is anybody having more fun this summer than Katy Perry?

Between Smurfing around with NPH, adopting Justin Bieber, and mopping the floor with the likes of Lady Gaga and Rihanna to nab nine MTV Video Music Awards nominations, we can’t imagine she’s got much down time. But Perry has somehow found a spare moment on her busy schedule to become the reigning Queen of Pop—officially.

Today marks a victory for women who wear baked goods as couture: Perry’s infectious single “Last Friday Night (T.G.I.F.)” climbed up from No. 2 to claim the No. 1 berth today on Billboard’s Hot 100 pop chart, making it the fifth single from her platinum-selling second album Teenage Dream to reach the top spot.

Perry is the first female artist to ever post five number-ones from the same album, and only the second artist of either gender to do so after Michael Jackson had five chart-toppers off of his 1987 release Bad.

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