Katy Perry keeps her band waiting for an hour at the airport

By DAILY MAIL REPORTER 'Sorry I'm late guys': Katy Perry smiles at her entourage as she finally arrives at her private plane at Sydney airport One of the down points of working for an A-list stars is inevitably being kept waiting for them.But when you're forced to wait around for your employer on a private jet, then perhaps we shouldn't feel too sorry for Katy Perry's minions.The American singer