PHOTOS

: First Lady Michelle Obama gave a rousing speech last night, Sept. 4, at the Democratic National Convention. Internet and TV audiences raved about the power of her voice and insights, as well as her usual chic style profile, as she wore a custom-made sleeveless dress by top designer Tracy Reese. Take a look back at other awesome FLOTUS style moments and her impact on the fashion industry as a whole. — Janell Hazelwood

: <ul> <li>$2.7 BILLION: Total value the First Lady created for 29 public companies by Michelle Obama's wardrobe choices in 189 public appearances.</li> </ul> <ul> <li>After the First Lady wore this couture dress, designed by Isabel Toledo, and gloves from J. Crew, the New York Times reported the women's section on J. Crew's <a href="http://bits.blogs.nytimes.com/2009/01/21/seeking-obama-fashions-visitors-crash-j-crews-web-site/" target="_blank">online site had crashed</a> because of surge in Web traffic. </li> </ul>

: <ul> <li>$16: The price of J. Crew stock before her appearance on the "Tonight Show with Jay Leno" on Oct. 27, 2008, sporting this chartreuse cardigan.</li> </ul> <ul> <li>$20: Price of J. Crew stock just four days after the appearance (Source: <a href="http://hbr.org/2010/11/vision-statement-how-this-first-lady-moves-markets/ar/1" target="_blank">Harvard Business Review</a>)</li> </ul>

: <ul> <li>$772 MILLION: Total gains over the two days after Michelle Obama wears apparel for companies associated with this outfit, including Richemont, Macy's, Nordstrom, Saks Fifth Avenue, and Dillard's.</li> </ul> <ul> <li>The dress is designed by Calvin Klein, a brand available at Nordstrom and Macy's, and the cardigan is by Nina Ricci, a designer brand sold at Saks. </li> </ul>

: <ul> <li>$14 MILLION: Average value Michelle Obama generates by any public appearance. In this appearance, Michelle Obama wears a gown by Naeem Khan while accompanying President Barack Obama to the state dinner for Indian Prime Minister Manmohan Singh Nov. 24, 2009.</li> </ul> <ul> <li>The designer<a href="http://blogs.wsj.com/runway/2010/02/18/naeem-khan-still-riding-the-michelle-obama-wave/" target="_blank"> told the Wall Street Journal</a> during Fashion Week in February that his "business is taking a big turn for the better. Even in an economy like this, glamorous things like these are selling in the stores. And for that I say, ‘Thank you Michelle Obama.’" </li> </ul>