Victoria Beckham leads a host of stars promoting Fashion's Night Out.

The designer is teaming up with celebrities including Justin Bieber, Taylor Swift and Usher to promote the event, which is this year encouraging fans to "shop 'til they drop," with stores around the world staying open all night for customers.

In a video to promote the event, which will take place on Thursday 6 September, Victoria says: "'Hit the streets and shop 'til you drop."

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Meanwhile, Justin - flanked by a pair of models - says: "I mean c'mon, who doesn't want to meet models, right? You bring your friends, I'll bring my friends, we can all hang out. Will you be there?"

Money raised from the event will go to benefit the New York City Aids fund.

Also in the video, Glee's Darren Criss, performs a cover of Madonna's 'Dress You Up'.

To further raise funds for the New York City AIDS fund., a special T-shirt will also be on sale to promote the event.

Others to appear in the video promoting the event include Arizona Muse, Doutzen Kroes and Marc Jacobs.

The initiative started in New York in 2009 as a way to stimulate the fashion industry during financial downturn. It has since spread further to 16 other capitals around the world, including London, Paris, Milan, Sydney and Berlin.