If you've never seen Almost Famous, drop whatever you're doing and go watch it immediately. Seriously, I'll wait right here. Oh hey, w elcome back! Now that you've just viewed one of my favorite films, you know that Penny Lane is one of the most tragically beautiful characters of all time. She's the mysterious teen queen of the 'Band-Aids' who you can't help but fall in love with just as quickly as William Miller does. Here's how to get the '70s groupie chick look that will make everyone…