Madonna will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Johannes Simon/Getty Images - Thursday, January, 21, 2010, 7:21 PM

Beyonce will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. John Shearer/WireImage.com - Thursday, January, 21, 2010, 7:21 PM

Emeline Michel will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Michael Nagle/Getty Images - Thursday, January, 21, 2010, 7:21 PM

U2 will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Nick Pickles/WireImage.com - Wednesday, January, 20, 2010, 10:20 PM

Wyclef Jean will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Ben Hider/Getty Images - Wednesday, January, 20, 2010, 10:20 PM

Taylor Swift will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Rick Diamond/Getty Images - Wednesday, January, 20, 2010, 10:20 PM

Sting will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Kevin Kane/WireImage.com - Wednesday, January, 20, 2010, 10:20 PM

Stevie Wonder will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Kevin Winter/Getty Images - Wednesday, January, 20, 2010, 10:20 PM

Rihanna will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Theo Wargo/Getty Images - Wednesday, January, 20, 2010, 10:20 PM

Shakira will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Kevork Djansezian/Getty Images - Wednesday, January, 20, 2010, 10:20 PM

Sheryl Crow will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Barry Brecheisen/WireImage.com - Wednesday, January, 20, 2010, 10:20 PM

Mary J. Blige will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Kevin Winter/Getty Images - Wednesday, January, 20, 2010, 10:20 PM

Kid Rock will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Kevin Mazur/WireImage.com - Wednesday, January, 20, 2010, 10:20 PM

John Legend will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Kevin Kane/WireImage.com - Wednesday, January, 20, 2010, 10:20 PM

Justin Timberlake will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Kevin Mazur/WireImage.com - Wednesday, January, 20, 2010, 10:20 PM

Keith Urban will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Graham Denholm/Getty Images - Wednesday, January, 20, 2010, 10:20 PM

Jay-Z will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Kevin Winter/Getty Images - Wednesday, January, 20, 2010, 10:20 PM

Jennifer Hudson will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Kevin Mazur/WireImage.com - Wednesday, January, 20, 2010, 10:20 PM

Christina Aguilera will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Kevin Parry/WireImage.com - Wednesday, January, 20, 2010, 10:20 PM

Dave Matthews of Dave Matthews Band will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Jason Squires/WireImage.com - Wednesday, January, 20, 2010, 10:20 PM

Bruce Springsteen will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Roger Kisby/Getty Images - Wednesday, January, 20, 2010, 10:20 PM

Chris Martin of Coldplay will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Tim Mosenfelder/Getty Images - Wednesday, January, 20, 2010, 10:20 PM

Alicia Keys will perform on Friday night's "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Carlos Alvarez/Getty Images - Wednesday, January, 20, 2010, 10:20 PM