Everyone who was invited got together and sang for a good cause, all download proceeds, will go to Haiti relief efforts. There were tons of celebs from singers to actors singing “We Are The World”, including, “Wyclef Jean, Carlos Santana, will.i.am, Jamie Foxx, Miley Cyrus, Snoop Dogg, Celine Dion, Keith Urban, Jeff Bridges, Vince Vaughn, Usher, Jennifer Hudson, Natalie Cole, Akon, T-Pain, Lil Wayne, Toni Braxton, Josh Groban, Zac Brown, Gladys Knight, Justin Bieber, Harry Connick Jr., LL Cool J, Robin Thicke, Rob Thomas, Jordin Sparks, Good Charlotte’s Madden brothers, Keri Hilson, Tyrese, Katharine McPhee, Sean Garrett, Melanie Fiona, Jonas Brothers, Barbara Streisand, Pink and Kanye West.”

Source