The ever-polished Michelle Obama stepped out this weekend in Montalcino, Italy, and gave us the best inspiration for a vacation style to steal for the summer. The former First Lady wore a pink one-shoulder shirt from Teija, a Finnish designer who trained under Christoper Bailey at Burberry before creating her own label. The shirt added a playful note to Michelle’s post–White House wardrobe, which has largely consisted of tea-length dresses and cashmere cardigans. She complemented the look with cropped white jeans, simple flat sandals, and gold hoops. This chic top is the perfect piece to wear all summer: It...