In Nicole's closet: Alexander Wang

While heading to a business meeting in Beverly Hills, on October 12, Nicole Richie wore a chic outfit that consisted of a Nation Ltd top, a jersey wrap skirt from Alexander Wang ($395, no longer available), a Balenciaga First bag, House of Harlow 1960 "Natalia" haircalf platform booties in leopard and "Linsey" sunglasses.
I've been trying to ID this skirt for a while and I wasn't 100% sure if it's a Wang design.
Thanks to WhoWhatWear we now have confirmation.

In Nicole's closet: Christian Dior

Dior Beauty threw a garden party at the Chateau Marmont to celebrate its garden party-themed spring 2012 makeup collection, on October 18.
To this event Nicole Richie opted to wear a fuchsia dress from Christian Dior's spring 2011 ready-to-wear collection.
She styled her look with Christian Louboutin shoes and clutch.
Nicole has been looking great lately!

In Nicole's closet: James Jeans, Givenchy, House of Harlow 1960

While taking Harlow to her ballet class, on October 18, Nicole Richie wore a pair of "Twiggy" black skinnies from James Jeans.
Next she selected Givenchy's eyelet covered booties.
The finishing touch - the house of Harlow 1960 Linsey sunglasses featuring snake skin embossing.

You can find the James Jeans "Twiggy" jeans in black clean here for $114.

For her footwear, she chose a pair of Givenchy eyelet covered booties