4. Lenny Kravitz
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Katy Perry's Super Bowl Performance: 12 MOST-TALKED About Moments

4. 4. Lenny Kravitz
Even though Katy Perry announced that Lenny would be joining her, we still were NOT prepared for the amazing-ness that occurred. The pair duetted to 'I Kissed A Girl' and there was some SERIOUS grinding going on. #HOT. Picture: Getty