Summer always brings about that age-old conundrum: how to dress for sweltering weather and chilly indoor AC temps at the same time. Naturally, denim jackets are a classic answer. They provide just enough warmth to take the edge off while you're inside but won't weigh you down outside. I don't have to convince you that it's a tried-and-true wardrobe staple, so let's move on to the celebrity outfit ideas, shall we? This recent Instagram photo of Kristin Cavallari shows just how versatile denim jackets are!
