Look of the Day

Rihanna attended her 5th Annual Diamond Ball in a couture Givenchy gown complete with a fishtail skirt.

Meghan Markle stepped out in a Misha Nonoo blouse, Jigsaw pants, and brown Manolo Blahnik pumps ($665; nordstrom.com) to promote her charity Smartworks clothing collection.

Cardi B shut things down at Rihanna's 5th Annual Diamond Ball in a Georges Hobeika gown.

During a Chanel dinner, Margot Robbie made a beautiful statement in a ruffled blouse and silky pants.

Kate Bosworth looked ready for fall in an Erdem crystal-embellished sweater, matching skirt, and patent leather heels.