Kim Kardashian has vowed to stay off Twitter and Facebook today in honor of World AIDS Day. The reality star will not go online until $1 million has been raised for Alicia Keys' Keep a Child Alive charity. Lady Gaga, Justin Timberlake and Usher have also made the pledge. Kardashian's ad, which shows her wearing a see-through dress and lying in a coffin, reads, "Kim sacrificed her digital life to give real life to millions of others affected by HIV/AIDS in Africa and India. Visit BuyLife.org or text 'KIM' to '90999' to buy her life now." (Courtesy of Buy Life)