Osman

According to new research, yes.

But fun, too!

Three premieres in one day? No big.

Also, she just had a baby. I know. I can't believe it either.

Keri Russell's envy-inducing mane may be her signature, but she's been wearing some pretty flawless things on her press tour for Austenland, including this Stella McCartney jumpsuit. Adding to the perfection of this week's best dressed list is Rooney Mara, looking effortlessly chic in Calvin Klein, Diane Kruger winning us over yet again in Carven, and Lily Collins, who continues to impress us with her risk-taking choices. Click through for all that and the rest of this week's 10 best dressed!

Playing the name game in London is far from easy: So many cool young designers, so many unusual names, and only a week to make sense of them all. It’s largely due to the aversion many Brit design talents have to being crafted into the sort of the fashion celebs we adore stateside. No worries; the clothes spoke volumes for themselves, as London dialed down the quirked, and turned out one of the most sophisticated seasons in recent years. See for yourself!

Just because it's fashion week, doesn't mean we're taking time off from our red carpet coverage! Right smack dab in the middle of New York fashion week, it's the Grammys--the perfect dose of Hollywood glamour in the midst of all the fall collections. From Jennifer Lopez's daring Anthony Vaccarello gown to Alexa Chung's sweet Valentino frock see what all the stars wore to the awards show.