**ALL ROUND PICTURES FROM SOLARPIX.COM**.**WORLDWIDE SYNDICATION RIGHTS**.Katy Perry the American singer-songwriter performing live in concert at The Scala, London, UK. Wednesday, September 24 2008..JOB REF: 7448 SSD DATE: 24_09_2008.**MUST CREDIT SOLARPIX.COM OR DOUBLE FEE WILL BE CHARGED* *UNDER NO CIRCUMSTANCES IS THIS IMAGE TO BE REPRODUCED FOR ANY ONLINE EDITION WITHOUT PRIOR PERMISSION*