I'm sorry, but have these people ever been to a festival? I don't know about you, but this is what real festival style looks like to me.
Wednesday lunchtime starts with good intentions:
Monday morning tells a different story:

So I decided to write a real festival style guide. Take it from someone who's been going to festivals every summer for the past 8 years. I know what I'm talking about. And not a floral headband in sight.
Ignore the magazines. Seriously. You'll regret it otherwise. Denim might well be hardwearing but it's also very, VERY porous. And it will rain. The last thing you want is chafing your thighs from soggy jeans or shorts that just will not dry.
First things first
Take old clothes. I'm serious. Never take anything you love. There is at least a 25% chance that you won't bring it home. It will get muddy, or damp, or ripped, or your friend will throw up over you on a fairground ride (yep, that really happened to me) and you'll need to throw it away. If you're not happy to leave it in a field, don't take it.
The uniform
Wear leggings. Yes, I know it will be hot but it will be worth it. Plump for cropped styles if you need to. If you're blessed with legs that aren't prone to chub rub, you can go bare-legged but pack the leggings for when it gets cold.
A lightweight skirt is always the best choice. Consider the rain- You want something that is going to dry really quickly and won't stick to your body too much. Team with a basic t shirt. There will be festival and band tees a-plenty so you can show your true colours (Your true emo colours, in my case!)
Shoes should be wellies or Converse/Vans, depending on the weather. Pack both, and make sure your wellies are as high as possible. It's amazing how high that mud can reach!
If you're one of the hardcore league, like moi, make every day a fancy dress day. Behold, Download 2011!

Extras
Pack the following: 3 pairs of knee-high socks (at least), pyjamas, a onesie, a hoodie, a hat, gloves and slippers. You will wear all of these to bed. I know, I know, it's 25 degrees and you're roasting. You won't be at 4am. Trust me.
Hair

Beauty
Your make up kit should consist of eyeliner, face paint, SPF and make up wipes. That's it. Unless you're going for the red eyeshadow emo look like I did up there! There's no point applying full make up. It will all run when someone empties a pint glass (of beer, if you're lucky) over your head. It's a waste of good make up.
Anything else?