Katy Perry is great at two things: creating No. 1 hits and getting revenge. After spotting her former high school crush in the crowd during a 2010 concert, the singer decided to let the guy know exactly what he missed out on. "Is that Shane Lopes? You were the most popular kid in my class, but you never wanted to date me, it was always Amanda Wayne," Perry said, pointing out Lopes in the crowd. "Oh yeah, you really chose right, honey. What's up now, playa?" —XFINITY Entertainment Staff (Photo by Dimitrios Kambouris/Getty Images)
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