You can start donating money to George Clooney'a "Hope for Haiti" telethon hours before it goes live.

The global benefit show airs live tonight at 8 p.m. ET from Los Angeles, New York and London. But, the charity will begin accepting donations today at noon ET, 9:00 a.m. PT. You can send your donation via phone at 1-877-99-HAITI or by texting "GIVE" to 50555. And, you can mail donations to Hope For Haiti Now Fund, Entertainment Industry Foundation, 1201 West 5th Street, Suite T-700, Los Angeles, CA 90017.

Meanwhile, they've updated the guest list for the big show. As of this hour, it includes Wyclef Jean, Bruce Springsteen, Jennifer Hudson, Mary J. Blige, Shakira, and Sting in New York City; Alicia Keys, Christina Aguilera, Dave Matthews, John Legend, Justin Timberlake, Stevie Wonder, Taylor Swift and a group performance by Keith Urban, Kid Rock, and Sheryl Crow in Los Angeles; and Coldplay, a group performance by Bono, The Edge, Jay-Z and Rihanna in London.