Cindy Crawford, Reese Witherspoon, Drew Barrymore, and Julia Roberts came out for the "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon on January 22 in Los Angeles. Jeff Kravitz / MTV Hope for Haiti Now via FilmMagic Rihanna performed Jay-Z's new song "Stranded (Haiti Mon Amour)" with U2 members Bono and The Edge at the "Hope for Haiti Now" concert in London. Dave M. Benett / MTV Hope for Haiti via Getty Images Leonardo DiCaprio, who has donated $1 million of his own money to Haiti relief, worked the phone bank during the telethon. MTV Hope for Haiti Now via Getty Images Mark Wahlberg, organizer George Clooney, and Jack Nicholson talk at the phone bank during the "Hope for Haiti Now: A Global Benefit for Earthquake Relief" telethon. Mark Davis / MTV Hope for Haiti Now via Getty Images Taylor Swift, who sang Better Than Ezra's song "Breathless," and singer Selena Gomez performed at "Hope for Haiti Now: A Global Benefit for Earthquake Relief." Mark Davis, Hope for Haiti Now / AP Photo Jennifer Aniston works the phone bank at the "Hope for Haiti Now: A Global Benefit for Earthquake Relief." Mark Davis, Hope for Haiti Now / AP Photo Chris Martin and Beyonce sang her hit song "Halo" together from London. Dave M. Benett / MTV Hope for Haiti via Getty Images Mary J. Blige gave a powerful performance of "Hard Times Come Again No More." Evan Agostini, Hope for Haiti Now / AP Photo Ellen DeGeneres was one of more than 100 stars who worked the phones and performed during the most widely telecast telethon ever. Mark Davis / MTV Hope for Haiti Now via Getty Images Bruce Springsteen performed a minimalist, inspirational version of "We Shall Overcome." Evan Agostini, Hope for Haiti Now / AP Photo Chris Rock and Tim Allen are shown at "Hope for Haiti Now: A Global Benefit for Earthquake Relief." Mark Davis, Hope for Haiti Now / AP Photo Wyclef Jean, a native of Haiti who has revamped his own charity, Yele Haiti, to better serve the devastated country, performed "Rivers of Babylon." Evan Agostini, Hope for Haiti Now / AP Photo Madonna performed "Like a Prayer" at "Hope for Haiti Now: A Global Benefit for Earthquake Relief." Evan Agostini, Hope for Haiti Now / AP Photo Jay-Z debuted his new song "Stranded (Haiti Mon Amour)" with U2 members Bono and The Edge and Rihanna at the "Hope For Haiti Now" concert in London. Dave M. Benett / MTV Hope for Haiti via Getty Images