To add my knut, magazines exist to sell! If well known faces from the entertainment industry, -namely movie and songwriting industries- are going to be more successful in selling, so be it. The publishers are obviously going to be much more interested in the profits they reap from each month's magazine than being concerned about whether its more sensible to have a model on their cover when the magazine is all about the most 'in vogue' in fashion, life and design. Money is what many people seek..