1: "Did you know Katy Perry holds the record for most Twitter followers?"

2: "Katy Perry's hit song 'Roar' was inspired by her struggles in the music industry."

3: "Katy Perry is the first female artist to have five number one singles from one album."

4: "Katy Perry's real name is Katheryn Elizabeth Hudson."

5: "Katy Perry once worked as a backup singer for gospel artists."

6: "Katy Perry's film 'Katy Perry: Part of Me' grossed over $30 million worldwide."

7: "Katy Perry has a pet cat named Kitty Purry."

8: "Katy Perry has received 14 Grammy Award nominations."

9: "Katy Perry's halftime show performance at Super Bowl XLIX was the most-watched in history."

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