In no particular order (though, we must, must begin with that Rihanna dress.)

Like when Kanye West wore a custom Tory Burch tuxedo.

So many ways to look fancy.

There was nary a pant in sight.

Lisa Eldridge worked her makeup magic on the actress.

And a few, like Diane Kruger and Olivia Wilde, who looked truly great elsewhere.

We're looking at you Kruger.

All bow down to Cookie.

London-based Hannah Jinkins is on the fast track to starting a label, having already gotten her graduate collection picked up by a retailer (other than H&M).

No sweatpants here.

From the fancy folks at Schiaparelli.

Zayn Malik and Joe Jonas made our best dressed list this week.