( InStyle.com ) -- Michelle Obama dazzled on the dance floor Tuesday night at the Neighborhood Inaugural Ball in Washington , wearing an elegant , one-shouldered ivory gown created for her by 26-year-old designer , Jason Wu . First lady Michelle Obama dazzled in a Jason Wu original gown . The one-of-a-kind silk chiffon confection was embellished with organza rosettes , Swarovski crystal rhinestones and silver embroidery . The first lady accessorized with diamond chandelier earrings , a white gold and diamond ring and a stack of diamond bangles by jeweler Loree Rodkin . The president summed up his wife 's look best before their first dance -- to Beyoncé 's rendition of `` At Last '' -- when he said , `` First of all , how good-looking is my wife ? '' Michelle Obama has worn Wu once before , during an interview with Barbara Walters . Wu , one of America 's leading young designers , debuted his first collection in February 2006 and has since earned accolades such as Fashion Group International 's Rising Star Award . Watch InStyle.com 's Joe Berean discuss the gown » . Obama was likely introduced to the designer in one of her favorite Chicago , Illinois , boutiques , Ikram . The new first lady has made a conscious effort to support young , diverse talent in the fashion community . In choosing Wu , who is originally from Taiwan , Obama continues a tradition of wearing American designers who hail from other countries . They include Cuban-American designers Isabel Toledo , who designed her yellow lace inauguration ensemble ; Narciso Rodriguez , designer of the red and black dress she wore on election night ; and designer Thakoon Panichgul , originally from Thailand , who designed the floral dress she wore the evening her husband accepted the Democratic nomination for president . Michelle Obama 's style statement is one meant to inspire ethnic and class diversity in the world of fashion . Aside from being a socially conscious purveyor of style , Obama also sends a clear message of hope and promise by choosing colorful , reasonably priced pieces . Watch the Obamas enjoy the night » . She prefers bright , cheerful shades such as yellow , electric blue , red and purple , and has been seen on multiple occasions in head-to-toe looks from moderately priced American retailer J.Crew . In fact , daughters Malia and Sasha braved Tuesday 's chilly weather in coats from the brand 's children 's collection . Michelle Obama was first seen in J.Crew during a visit to the `` Tonight Show '' with Jay Leno on October 27 . `` This is a J.Crew ensemble , '' she told the host . `` We ladies , we know J.Crew . '' The first lady also said she had a penchant for Internet shopping , saying , `` When you do n't have time , you got ta click ! '' Obama wore J.Crew again at the Kids ' Inaugural Concert on Monday . She gave the colorful ensemble a luxe spin with dangling green sapphire earrings from Loree Rodkin and a Deco-inspired belt buckle . InStyle magazine Fashion Director Hal Rubenstein appreciates Obama 's straightforward approach to fashion . `` People tend to think classic looks are synonymous with boring , but they 're not , '' he explains . `` Michelle Obama has a specific style that works for her . She has a lady-like approach to style that is elegant and inspiring . `` What we 'll see as a result is this idea of looking put-together and sophisticated , as opposed to being daring or flamboyant . It 's all about looking polished , like you know what you 're doing . '' Get a FREE TRIAL issue of InStyle - CLICK HERE ! Copyright © 2009 Time Inc. All rights reserved .
First lady 's elegant , one-shouldered ivory gown created by 26-year-old Jason Wu . The one-of-a-kind silk chiffon confection was embellished with organza rosettes . Michelle Obama has tradition of wearing American designers from other nations . Her time-saving shopping secret -- buying on the Internet .