Not only did the "Come & Get It" singer fall down on stage at that particular show but she also covered Katy Perry's awesome, new song "Roar" too!
Known to sing other artists' songs at her shows before, Selena tore up Katy's girl power anthem and totally pulled the sound off. It seemed like the audience was digging her version of the song too!
Some of the other popular songs Selena has covered on her recent Stars Dance tour are Rihanna's "Birthday Cake" and Lorde's "Royals".
Watch Sel sing Katy's "Roar" in the video above! How do you think she did?
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Gallery | Selena Shines on Stage!