EXCLUSIVE DETAILS & FIRST PHOTOS: We Are The World Remake - Behind The Scenes Of Star-Studded Recording

A remake of the 80s classic We Are The World was recorded Monday, as a star-studded cast of more than 100 entertainers -- highlighted by Barbara Streisand, Pink and Kanye West -- united at the same Hollywood recording studio the original was recorded at 25 years ago, with the proceeds from the new song's downloads earmarked for the ongoing Haitian relief efforts.

PHOTOS: We Are The World Remake

RadarOnline.com has the just-released photos of the celebrity-studded marathon recording session, which included, among others, 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 and all three Jonas Brothers.

RadarOnline.com has exclusively learned that Nicole Richie's daughter Harlow Winter Madden took part in the filming of the legendary music video, which was co-produced by grandaddy Lionel Richie. Keeping it in the family Joel and Benji Madden were also a part of the big day.

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Janet Jackson was unable to make it to the performance and instead taped her part in Atlanta. Carlos Santana came out to perform a guitar solo early in the afternoon while Nick Jonas was one of the last to tape his solo. Jennifer Hudson also taped a solo and left the soundstage after midnight.

Ashlee Wiliss, an aspiring singer who was backstage getting Fender guitars signed for charity, told RadarOnline.com that the mood on-set was up-beat. "Pink was there with her husband Carey Hart, they were drinking coconut water and goofing around backstage. Nicole was there with Harlow and they took part in the video. Harlow was singing along and was so cute!  She is really musical."

Eva Longoria wasn't part of the shoot but her restaurant Beso supplied the stars with lots of good food and we hear the delicious gaucemole was a big hit!

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The original We Are the World, recorded in 1985, brought together artists like Bruce Springsteen, Bob Dylan, Stevie Wonder, Tina Turner and Cyndi Lauper to aid famine victims in Africa.

The remake, which took more than 16 hours to complete Monday, was organized by the original song's producers, Quincy Jones and Lionel Richie. Although Richie sang in the original version, he did not sing in the remake. In fact, none of the entertainers in the original version reportedly sang in the new project.

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Jean, who has been a notable fundraising figure in the aftermath of the deadly 7.0 tremor that struck Haiti January 12, compared himself to "a kid in a candy shop" when surveying the incredible list of actors, musicians and singers the effort drew, just a day after the Grammys passed through Southern California.

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"I just want to thank everyone," Jean told the LA Times. "Haiti thanks you. The world thanks you."

The performance was also filmed in 3-D and the music video will debut February 12 on NBC during the opening ceremonies of the Winter Olympics.

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