The Insider.com

If you were already impressed with the superstar power Fashion's Night Out was able to harness this year with the event's teaser starring Justin Bieber and Taylor Swift, you ain't seen nothing yet!

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This just released, longer teaser for the fashion industry's yearly shopping extravaganza features an adorable Darren Criss singing Madonna's hit Dress You Up, as well as a who's who of fashionable celebrities including Victoria Beckham, Usher, Olivia Wilde, Solange Knowles and industry heavyweights Alexander Wang, Marc Jacobs, Michael Kors and supermodel Karlie Kloss.

Video: Justin & Taylor Tease Fashion's Night Out

Fashion's Night Out, celebrating its fourth year, takes place September 6 across the country and around the world.

Video: Watch Darren Criss 'Bring It On Home'

Check out the video for as much celebrity eye candy as you can handle!