Forget the attitude.
Matchbox 20 rocker Rob Thomas told UsMagazine.com that the stars who met in Hollywood Monday to re-record "We Are the World" -- including Miley Cyrus, Nicole Richie and Kanye West -- left "their egos at the door."
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"We get to come here and have a chance to be a part of something that... was such a big part of my life growing up, and also now sadly it's relevant again," Thomas added.
Celine Dion told Us, "We have a special responsibility to help needy people and this is part of our world and we're all gathering here together to support people in need and do whatever we can... we'll lend our voices and help however possible."
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LL Cool J told Us, "I think it's a wonderful cause and I'm very excited -- I'm honored that Quincy Jones... asked me to be a part of history and I hope it all goes well."
Said Oscar winner Jennifer Hudson, "I'm really excited to be here today!"
Haiti native Wyclef Jean called the collaboration "a great thing... and it's giving us a lot of hope for Haiti."
Joined in Akon, "Getting involved is just the right thing to do, and this situation, we can really help somebody."
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"It's a special song... it's 25 years old now. I know that these guys were already organizing to bring it back, and I think Haiti needs our attention as a nation right now," Jason Mraz told Us. "I think music has the ability to heal, to bring awareness - if we can all come together and sing in harmony, you know, I think it's a good thing. I'm happy to be a part of it."
Zac Brown called the recording session a "historic day," and country star Jennifer Nettles flashed Us the thumbs up sign and said, "It's so exciting."
Usher, Barbra Streisand, Pink, will.i.am, Busta Rhymes, Jamie Foxx, Justin Bieber, Lionel Richie (who co-wrote the song with Michael Jackson), Lil Wayne, Katharine McPhee, Enrique Iglesias, Nicole Scherzinger and T-Pain were among the celebs present to re-record the hit, which was first released in 1985 to raise funds for Live Aid.