It's been a big week for Americans, the royals, and the fashion-obsessed. While people worldwide remembered the events of 9/11, President Obama greeted US Olympic athletes at the White House. In New York, stylish women and celebrities flocked to Fashion Week for the best designer shows. Across the pond, William and Kate continued their tour of the Far East with a stop at a Malaysian mosque. See all that and more in our weekly photo roundup!