VIDEO: Katy Perry Performs ‘Roar’ & ‘California Girls’ on Music Station

Published:11:37 am EDT, November 1, 2013| Updated:11:37 am EDT, November 1, 2013|

Katy Perry appeared on Japan's Music Station today to perform her hit "Roar" as well as her old hit "California Girls." Wearing a seriously tight and short dress, the singer struggled a little bit on stage, but was still cute as ever.

Speaking a cute, check out who else was with Perry today at Music Station ... That's right, her sweetheart John Mayer and the One Direction boys.

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