Katy Perry Says Streaking Inspired Album Track

Katy Perryhas revealed that she was inspired to write album track, Russell Brandin Sydney, Australia.

Russell is expected to be Down Under on a promotional tour for his new movie Arthur, the same time as Katy's California Dreams tour hits Oz.

A source told the Daily Telegraph: "They are expected in the country at the same time. It will be a great catch-up for them."