Justin Bieber in the FNO 2012 PSA.

Justin Bieber in the FNO 2012 PSA. Credit: fashionsnightout.com

Yes, it's a night of luxury and glamour, but Fashion's Night Out isn't just about the fancy pants elite stocking their already full closets with designer duds.

Vogue and Council of Fashion Designers of America (CFDA) started the initiative in 2009 to boost the struggling retail business during tough economic times, and 40 percent of sales made from an exclusive FNO Collection will benefit the New York City AIDS Fund.

Celebrities like Justin Bieber, Taylor Swift, Victoria Beckham and Olivia Wilde are speaking out in support of the event in a new PSA along with top fashion designers including Michael Kors, Tory Burch and Marc Jacobs.

Check out the PSA below, and for a full schedule of events, visit fashionsnightout.com.

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