When she's not single-handedly revitalizing a hair accessory business, Katy Perry also likes to sing — and sing very well, for that matter.

The "California Gurls" singer might be best known for her colorful, cartoonishly over-the-top styling, cheeky personality and wildly catchy pop tunes, but at the heart of all that glossy pop production is a singer who really does know how to belt it out.

In keeping with our "Best Live Vocals" video series (did you watch the Fifth Harmony compilation yet?), we're spotlighting the Teenage Dream princess and her impressive pipes this week — from her cover of Fountains of Wayne's "Hackensack" way back in 2009 all the way up to her recent stirring performance of Prism's "By The Grace Of God" in Rio last year.

Check out Katy's best live vocal moments above. Got more artists you'd like to see covered? Let us know in the comments, and check out some of the best Best Live Vocals videos below.

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