Pink is a grade-A 100% certified badass. Full stop.

The multi-award winning (Grammys, Emmys, Brits, she's even got a couple of VMA Moon Men), best-selling, stadium-filling artist is a legend.

If you didn't bop to her songs in high school (I did!) or blast her anthem about not giving a **** and being a *************** rockstar from your open car windows, then you must watch her perform her own acrobatics at the Grammy Awards in 2009.

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