EXCLUSIVE: Mariah Carey no longer working with creative director Anthony Burrell following NYE performance

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Mariah Carey is starting 2017 out fresh.

Following her troubling live performance during Dick Clark's New Year's Rockin' Eve With Ryan Seacrest in New York City on Saturday, ET has learned that the "Emotions" singer is no longer working with her longtime creative director and tour choreographer/dancer, Anthony Burrell.

WATCH: Jenny McCarthy Says It's 'Completely Unfair' Mariah Carey Is Blaming Others for 'Train Wreck' NYE Performance

"He's not being brought back [in 2017] for a number of reasons," a source close to Carey told ET on Tuesday. The source claims that part of the reason for Burrell's departure is due to a placement decision he allegedly made without the approval of Carey or her management team.

12 PHOTOS
Mariah Carey's New Year's Eve performance
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Mariah Carey's New Year's Eve performance
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith TPX IMAGES OF THE DAY
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith
Mariah Carey performs during a concert in Times Square on New Year's Eve in New York, U.S. December 31, 2016. REUTERS/Stephanie Keith
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According to the source, the Philadelphia native -- who is currently featured on Carey's eight-part docuseries, Mariah's World -- moved Carey's backup singers off the stage for the live performance in Times Square, putting them at the base of the risers in order to make more room for the dancers.

Burrell and his manager did not respond to multiple requests from ET for comment regarding his dismissal. ET also reached out to Dick Clark Productions to verify that the backup singers were moved near the risers. DCP told ET they have "no further comment" on Carey's performance.

The source further explained to ET that Burrell's decision to move the backup dancers offstage "left Mariah without any support," as backup singers can be a source of support and help an artist pick up cues if their inner earpieces don't work and they can't hear the music.

WATCH: Mariah Carey Plagued by Technical Difficulties During Live New Year's Eve Performance

Following the performance, Burrell took to Twitter on Monday, writing, "I haven't been able to watch NYE performance. 30 sec from live TV, boss couldn't hear her own vocal in her in-ears from Mic. #heartbroken."

See Mariah Carey through the years:

18 PHOTOS
Mariah Carey through the years
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Mariah Carey through the years
NEW YORK, NY - FEBRUARY 12: Singer Mariah Carey and Nick Cannon attend MTV First: Mariah Carey's 'You're Mine (Eternal)' music video world premiere at MTV Studios on February 12, 2014 in New York City. (Photo by Larry Busacca/Getty Images)
LOS ANGELES, CA - JANUARY 18: Mariah Carey and Nick Cannon (R) arrive at the 20th Annual Screen Actors Guild Awards at the Shrine Auditorium on January 18, 2014 in Los Angeles, California. (Photo by Dan MacMedan/WireImage)
NEW YORK, NY - AUGUST 05: Nick Cannon (L) and Mariah Carey attend Lee Daniels' 'The Butler' New York premiere, hosted by TWC, DeLeon Tequila and Samsung Galaxy on August 5, 2013 in New York City. (Photo by Kevin Mazur/Getty Images for Samsung)
HOLLYWOOD, CA - NOVEMBER 17: TeenNick Chairman and HALO Awards host Nick Cannon and singer Mariah Carey attend Nickelodeon's 2012 TeenNick HALO Awards at Hollywood Palladium on November 17, 2012 in Hollywood, California. The show premieres on Monday, November 19th, 8:00p.m. (ET) on Nick at Nite. (Photo by Charley Gallay/Getty Images For Nickelodeon)
NEW YORK, NY - DECEMBER 15: Mariah Carey leaves the Beacon Theater on December 15, 2014 in New York City. (Photo by James Devaney/GC Images)
LOS ANGELES, CA - MARCH 14: Mariah Carey (L) and actor Jussie Smollett attend the Human Rights Campaign Los Angeles Gala 2015 at JW Marriott Los Angeles at L.A. LIVE on March 14, 2015 in Los Angeles, California. (Photo by Jason Kempin/Getty Images for Human Rights Campaign)
NEW YORK, NY - DECEMBER 03: Mariah Carey performs at the 82nd Annual Rockefeller Christmas Tree Lighting Ceremony at Rockefeller Center on December 3, 2014 in New York City. (Photo by James Devaney/WireImage)
NEW YORK, NY - DECEMBER 03: Singer Mariah Carey performs at the 82nd Annual Rockefeller Center Christmas Tree Lighting on December 3, 2014 in New York City. (Photo by Paul Zimmerman/WireImage)
SHANGHAI, CHINA - OCTOBER 19: Singer Mariah Carey performs live during her 2014 China Tour on October 19, 2014 in Shanghai, China. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)
NEW YORK NY - AUGUST 26: Mariah Carey sighting on August 26, 2014 in New York City. (Photo by Josiah Kamau/BuzzFoto/FilmMagic)
HOLLYWOOD, CA - JULY 23: Singer Mariah Carey and actor Dwayne Johnson attend the after party for the premiere of Paramount Pictures' 'Hercules' at the Roosevelt Hotel on July 23, 2014 in Hollywood, California. (Photo by Alberto E. Rodriguez/WireImage)
CAP D'ANTIBES, FRANCE - JUNE 17: Mariah Carey performs during Clear Channel Media And Entertainment And MediaLink Dinner at Hotel du Cap-Eden-Roc on June 17, 2014 in Cap d'Antibes, France. (Photo by Tony Barson/Getty Images for Clear Channel)
NEW YORK, NY - JUNE 09: Singer Mariah Carey announces the launch of her Go N'Syde bottle 'Butterfly' at the Saint Regis Hotel on June 9, 2014 in New York City. (Photo by Andrew H. Walker/Getty Images)
NEW YORK, NY - MAY 29: Singer Mariah Carey attends the 2014 Fresh Air Fund Honoring Our American Hero at Pier Sixty at Chelsea Piers on May 29, 2014 in New York City. (Photo by Monica Schipper/FilmMagic)
Mariah Carey performs during the World Music Awards at Monte Carlo Sporting Club, on May 27, 2014 in Monaco.  (Photo credit: VALERY HACHE/AFP/Getty Images)
TODAY -- Pictured: Mariah Carey appears on NBC News' 'Today' show -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
here's the cover of my new album #1 To Infinity! Pre-order tomorrow @ 10am ET on http://t.co/pJ1014UBpg #1toInfinity http://t.co/ffO32ha7f9
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"Sucks to see all of the hateful messages," his series of tweets continued. "Peep[s] are so quick to judge, not knowing we were all in a state of panic. 333 peace and positivity."

Burrell also shared a photo of him and fellow dancer Bryan Tanaka (aka Carey's new beau) lifting the diva up near the stage via Instagram. "Ushering in the new year like... @mariahcarey @bryantanaka#dickclark #rehearsal #shades or just #shady," his caption read.

As seen on Mariah's World, Burrell and Mary Ann, one of Carey's backup singers, got into a heated debate when the dancer called her out for bringing her 6-year-old son on their tour bus.

In an emotional scene from episode three, Mary Ann explained to Carey that she was upset with Burrell for going to their higher-ups without speaking with her first.

WATCH: Mariah Carey's New Year's Eve Performance: Dick Clark Productions Denies Sabotage, Ryan Seacrest in Shock

As ET previously reported, Carey's reps told ET that there was "a production issue" and "technical difficulties" during the singer's NYE performance and "there unfortunately was nothing [Mariah] could do to continue with the performance given the circumstances."

"Mariah noticed something was wrong," added Carey's manager, Stella Bulochnikov. "She told the stage manager. They changed the mic pack out twice for her inner ear. And they told her that the frequency was off but that it would be on when she got on the stage."

RELATED: How stars celebrated New Year's Eve 2017:

24 PHOTOS
How stars celebrated New Year's Eve 2017
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How stars celebrated New Year's Eve 2017
Some people are so stuffy 🙄 @chelseahandler #NewYearsReady 🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻
I'm ready for 2017! I got everything a need. Such a great night at @Foxwoods Happy New Year🎉🎉

Nicole Scherzinger toasted the new year at the CÎROC The New Year celebration at Tao Las Vegas.

(Credit: Thaddaeus McAdams)

Feliz año Nuevo! With love from the Consuelos gang. 🎉 2017 🥂🍾
Gracias a todos por regalarme un año más disfrutando de hacer música y compartiéndola con ustedes! Mucha paz y alegría para este 2017! / Thank you all for giving me another year of enjoying music-making and sharing it with all of you! Lots of love, peace and happiness in 2017!
🎉 2017 I am ready for YEW.

DJ Khaled, Sean "Diddy" Combs and French Montana join forces at the CÎROC The New Year celebration at Tao Las Vegas.

(Credit: Thaddaeus McAdams)

Happy New Year 🎉🎉🎉
#HappyNewYear from French Polynesia #Repost @sofiavergara ・・・ Feliz año desde la Polinesia Francesa🌊🐟🐢🎉🎉
NYE @daniellestori
Happy New year 🎉✨2️⃣0️⃣1️⃣7️⃣✨🎉 Feliz Ano Novo
🎈2017 🤷🏼‍♂️
Happy New Year! 2017 Here we come ❤
HAPPY NEW YEAR!!!!! 😘🍾🎊🥂
Magical Ballerinas sending #love #light and prayers to the world on #nye2017 🔺🙏
👋🏼
Ha! I'm alive and drunk. Fuck you, 2016. I win. Happy New Year!
Happy new year! @drewbieber
#RockinEve is almost here! I'm getting ready to present the @PlanetFitness Be Free Award to some people who have lived a 👍 2016. Watch on ABC!
Happy New Years!!! Gx
Step one: Detoxing bath to celebrate and bid adieu to 2016..
Happy New Year!!! 2017!!! Let's do this!!!!
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"She's Mariah Carey. She did everything she needed to do at rehearsals," Bulochnikov also told ET. "Everything was fine at rehearsals. I don't think Mariah was deliberately set up to fail but they had major technical glitches. And their decision not to cut to commercial or cut the performance out of the West Coast feed is in a way sabotaging as they wanted a viral moment."

Although Dick Clark Productions initially had no comment, they issued a response on Sunday.

"As the premier producer of live television events for nearly 50 years, we pride ourselves on our reputation and long-standing relationships with artists," the statement read. "To suggest that Dick Clark Productions, as producer of music shows including the American Music Awards, Billboard Music Awards, New Year's Rockin' Eve and Academy of Country Music Awards, would ever intentionally compromise the success of any artist is defamatory, outrageous and frankly absurd."

WATCH: Mariah Carey's NYE Performance Fallout Continues, Singer's Camp and Producers Swap Blame

"In very rare instances there are of course technical errors that can occur with live television, however, an initial investigation has indicated that Dick Clark Productions had no involvement in the challenges associated with Ms. Carey's New Year's Eve performance," the statement continued. "We want to be clear that we have the utmost respect for Ms. Carey as an artist and acknowledge her tremendous accomplishments in the industry."

Hear the latest update on Carey's performance fallout in the video above.


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