Katy Perry Says Her 'Honest' Anthems Are Highlight Of Arena Shows

'When I'm playing 'Firework,' the whole arena literally moves up and down,' she tells MTV News.By Jocelyn Vena, with reporting by Sway Calloway Katy Perry Photo: MTV News Katy Perry has been hitting the road on her California Dreams World Tour, which hits the States in June. Her colorful live show includes costumes to match and choice cuts plucked from the singer's repertoire. Some of those tunes, specifically songs from last year's Teenage Dream, are proving to be more than just a goo

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