Watch: Katy Perry Rocks Four Different Hairstyles in Super Bowl XLIX CoverGirl Commer
 

Katy Perry has always been one to change up her looks and her hair. She's had long hair, short hair, black hair, purple hair, blue hair, blonde hair, red hair and even green hair. But, in the past, it's been over the span of a few months. In her new CoverGirl commercial, the Super Bowl XLIX performer changes up her style four ways in just 45 seconds.

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