Dressing for the Bonnaroo Music Festival in Manchester, TN, is more about keeping cool in 90-degree weather than it is about glamorous women in designer clothes. But that doesn't mean attendees at the four-day festival skimped on the style front. In fact, more than a few women put their own spin on Spring 2013's biggest trends. We break down the three best looks we saw this weekend - from the grounds of the festival to its stage - here. On Jessica: Rachel Roy Dress. On Justin: Club Monaco Shirt and Blazer