Michelle Obama went as low-key as Melania Trump had gone high-style, choosing to deliver her convention speech in a cobalt-blue silk crepe A-line dress with cap sleeves. The dress, custom-made by New York-based designer Christian Siriano, who shot to fame after winning the fourth season of “Project Runway” in 2008, fell to just below the knee and was paired with a pair of metallic heels that industry trade publication Footwear News identifies as Jimmy Choo pumps.