Debating javelin throws and vault scores on Gchat. Chanting USA in the grocery store. Wearing red, white and blue face paint...on a date. Olympic Fever is here! And you know what really works our patriotic fandom into a frenzy? This list of amazing lady athletes (which includes Serena Williams) who are not only committed to their sport of choice, but also to the causes they care about!
From boxing (it's the first year that women's boxing is a sport in the Olympics) to the modern pentathalon (you'll need a pool, a sword, a pistol, a horse and running shoes for this one), we've pulled together our fave gorgeous gals at the top of their give-back game. You might be distracted by their model good looks and sculpture-worthy physiques, but we're focused on the most important muscle: the big hearts that fuel these action-packed Olympians!
+ PHOTOS: 10 Summer Olympic Hotties Who Give Back