Plugging away at a busy day of promos, Katy Perry was spotted leaving BBC Radio 1 Studios earlier today (September 2). The “Teenage Dream” singer looked spectacular in a blue with white polka-dotted high-cut dress accentuated with a red flower as she stopped and posed for pictures. Keeping her followers up-to-date, Ms Perry tweeted, “I’m about to get controlled @radio1..

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Katy Perry: Polka Dot Pretty