WATCH: Katy Perry & John Mayer Kiss On Stage Singing ‘Who You Love’

Published:6:10 pm EDT, December 18, 2013| Updated:6:10 pm EDT, December 18, 2013|

John Mayer's superstar girlfriend joined him onstage last night to accompany him in their new duet "Who You Love." Beginning the performance with a quick kiss, the couple looked playful and in love as they sang the adorable ballad.

Just a few days ago, the pair appeared on Good Morning America in their first interview as a couple, debuting their brand new music video for the song.

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