Grammys 2012: Katy Perry Sings New Russell Brand-Inspired Song

Katy Perry Grammy Performance - P 2012
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Katy Perry Grammy Performance - P 2012

When Katy Perry took the Grammy stage Sunday night, she started with a song off of her 2011 hit album, Teenage Dream.  

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But, after singing some of her hit, "E.T." the songstress transitioned into a new tune, "Part of Me," which by all accounts seems to be at least a little inspired by her breakup with husband Russell Brand.

Singing the defiant ballad in a skin-tight cut-out ensemble, Perry belted out lyrics like, 

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"You're not gonna break my soul," Perry belted out the defiant ballad in a skin-tight cut-out ensemble. "Your love was cheap, was always tearing at the seam. I feel deep and you let me down. But that was then and this is now." 

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She also tellingly sang, "You can keep the diamond ring. It don't mean nothing anyway. In fact you can keep everything. Yeah, yeah, except for me." The pair's divorce was finalized Feb. 7. 

The track will be included on the extended version of Teenage Dream, set for release, March 13.