And in our detective time, we've noticed that when Mrs. Obama chooses her attire for events, she opts for one bold hue above all others: royal blue.
Perhaps you've noticed it, too? Whether she's attending formal dinners, watching the State of the Union or celebrating Hanukkah, the first lady repeatedly gussies up in the same brilliant shade of blue. Luckily, it works well with all of her stunning statement jewelry.
Is it cerulean? Indigo? Cobalt? Regardless of what you want to call it, we suspect this is Mrs. Obama's all-time favorite hue.
Check out our gallery below and vote for your favorite FLOTUS look!
HuffPost Lifestyle is a daily newsletter that will make you happier and healthier — one email at a time. Learn more