Saturday, July 20, 2013 at 12:52 PM 
The First Lady was in Chicago this week to speak wtih Chicago teens participating in Urban Alliance, a career training program run by Mayor Rahm Emanuel's wife Amy Rule. For the appearance, Mrs. O wore a Rachel Roy Cadmium Draped Floral Dress that dates back to 2010, first seen here.
Rachel Roy Monday, July 1, 2013 at 9:13 PM 
President and First Lady Obama arrived at the State House in Dar es Salaam, Tanzania today, greeted by Tanzanian President Jakaya Kikwete and First Lady Salma Kikwete. For the appearance, Mrs. O wore a boldly printed dress, paired with a cropped melon cardigan, neutral heels and a clear crystal statement necklace.
Update: Mrs. O wears a Rachel Roy printed dress in Orchid Multi, available here.
Rachel Roy Monday, February 25, 2013 at 9:12 PM 
Mrs. O and Dr. B spoke to the National Governors Association this morning with a focus on their Joining Forces initiative to support military service members and their families. On the style front, Mrs. O wore a Rachel Roy washed rose and tweed dress, first seen in 2009 here.
Rachel Roy Friday, October 26, 2012 at 9:41 PM 
Mrs. O campaigned in the battleground state of Nevada today, wearing a Rachel Roy dropstitch lace dress from the designer's Summer 2011 collection, previously seen here. The first lady certainly has been shopping her closet as of late!
Rachel Roy Monday, May 21, 2012 at 3:19 AM 
As NATO leaders gathered in Chicago, Illinois yesterday, the First Lady hosted spouses for a special event at the Gary Comer Youth Center on the South Side. For the event, Mrs. O wore a cream hued dress with pleat and seam detailing at the neckline. For her photo with Anne-Mette Rasmussen, wife of NATO Secretary General Fogh Rasmussen, Mrs. O donned a coordinating jacket.
Earlier in the weekend, as the President and First Lady arrived in Chicago on Saturday evening, the couple was greeted by Mayor Rahm Emanuel and his wife Amy Rule. For travel, Mrs. O wore an olive hued wrap top paired with a printed skirt.
Update: For the Gary Comer Youth Center event, Mrs. O wore a Zac Posen dress and jacket, confirmed by the designer via Twitter. Miguel Ases earrings completed the look. Arriving in Chicago, Mrs. O wore a Rachel Roy Runway to Green Stencil skirt, also confirmed by the designer via Twitter.
Miguel Ases, Rachel Roy, Zac Posen