In competition they're all business, but America's Olympians know how to have fun, too. TODAY.com's Katie Quinn takes you through the most lighthearted moments of the week with the incredible U.S. athletes.
TODAY has been getting up close and personal with Team USA all week long. We learned what makes these superhuman athletes tick -- and the quirks that make them just like us. Watch video of our Top 5 favorite moments as these competitors gear up for the Games.