Kim Kardashian's Most Outrageous Promo Yet (See It!) 1Kim Kardashian is the queen of product promotion, and her latest campaign is her most outrageous yet. But at least it’s for a good causes and she has plenty of celebrity company.

She poses in a coffin to raise money for an AIDS charity along with Lady Gaga, Justin Timberlake, Usher and other stars.

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As part of the effort, the celebrities have agreed to log off and not sign back to social media Web sites, until they raise $1 million for “The Digital Life Sacrifice” campaign.

Jennifer Hudson, Ryan Seacrest, Elijah Wood, Serena Williams and Swizz Beatz are also taking part.

Alicia Keys’ Keep A Child Alive charity is behind the event on behalf of World AIDS Day on Wednesday (Dec. 1).

Keys said every celebrity accepted her request to take part.

“Once I got people on the phone and I was able to paint the concept for them, everybody was in,” she said.

The stars have all filmed what’s being billed as “last tweet and testament” videos showing them in coffins to represent what the campaign calls their digital deaths. All of the stars have millions of followers.

World AIDS day, held Dec. 1, is about raising awareness about AIDS caused by the spread of the HIV infection.

AIDS has killed more than 25 million people worldwide since 1980, according United Nations’ figures.