OBSESSED

The one must-have piece for every girl's wardrobe this season? It's the perfect plaid jacket.

Even though we're so not ready for summer to be over, we're already eyeing fall's fab fashions. The one must-have piece for every girl's wardrobe this season? It's the perfect plaid jacket. What's hot right now is the boyfriend/menswear look, which is why we totes love this Elizabeth and James number that combines both of these trends. Plus, Ashley and Mary-Kate Olsen are co-designers on this new label, so we especially luv what we're seeing!