We're pretty sure there were only two reasons they decided to make a sequel to "The Amazing Spiderman": One, to see Emma Stone and Andrew Garfield being adorable together, and two, to see Stone wearing a series of amazing dresses on the red carpet. And Stone has not disappointed, wearing stunning frocks from Erdem, Chanel, Valentino and more.

This week also saw Lupita Nyong'o taking a risk in bright Chanel, and Rosie Huntington-Whiteley trying out the off-the-shoulder dress trend.

Click through the gallery for all that and the rest of this week's best dressed.