10 Reasons This Week Won't Be Soon Forgotten

Reese Witherspoon made it clear that florals work for Fall when she arrived for the Nashville premiere of The Good Lie.

Jessica Chastain made matchy-matchy look better than ever when she hit the San Sebastian Film Festival in Dsquared2.

Diane Kruger received her Officier Des Arts et Lettres ceremony in an award-worthy Chanel ensemble.

Taylor Swift shook it up on the iHeart Radio Music Festival red carpet in Calvin Klein Collection's red and white separates.

Sarah Jessica Parker honored costume designer Mary Katrantzou when she arrived for the New York City Ballet Fall gala in the label's embroidered gown.

No scandals here — Kerry Washington looked just plain good in her Giles dress.

Chloë Grace Moretz looked modern in Kenzo's cool separates at AOL's Build Speaker Series.

An important dress for an important occasion — Emma Watson took the spotlight in Dior outside the HeForShe campaign launch at the United Nations.

Leighton Meester was a breath of fresh air in her colorblock pastel dress at the launch of the St. Rillian fragrance.

Léa Seydoux made us stand up and take notice when she arrived for the Paris premiere of Saint Laurent in Miu Miu.