Grammys 2015: Katy Perry Performs 'By the Grace of God'

Katy Perry

Katy Perry performs on stage at the 57th Annual Grammy Awards in Los Angeles on Feb. 8, 2015. 

Fresh off her Super Bowl halftime show, Katy Perry slowed things down at the 2015 Grammys.

Perry took the stage to sing "By the Grace of God." As her introduction, a domestic violence survivor gave an impassioned speech about love and being human.

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At the end, Katy's performance brought the house to their feet. Watch it below.