Katy Perry just released the music video for her newest single 'This is How We Do' and it's a pin-up meets pop art technicolor dream, naturally. With a catchy beat and stellar base line, the song has every bit as much staying power as her previous chart-toppers (y'all are still singing 'California Gurls', no?). It's quirky, it's colorful, and it's most definitely signature Katy. Watch the full video below:

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