2. Biker Chicks
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If you want to get hardcore, spring is the time to do it, because it's all about biker chic chicks. It's sort of destined to take the place of the military style, except I don't think anything will ever really take the place of the military style. It's been around for 10 years, after all. Anyway, just be on the lookout for lots of metallic clothing, lots of leather and studs and buckles and boots.