• "The Voice" season 10 coaches

"The Voice" season 10 coaches (Photo : Instagram )

"The Voice" crew is reportedly not happy when Christina Aguilera decided to return for season 10. With her diva behavior, it was said that she is making the lives of the staff miserable.

According to OK! magazine, Aguilera is back to her diva antics. The singer was said to be making dramatic demands to the disappointment of the staff. An insider even called her a "nightmare" to work with.

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This is not the first time that "The Voice" coach has been accused of being a diva on set. Early this year, In Touch Weekly reported that some hoped that she will not return come season 10.

Sources claimed that Aguilera was such a "terror" to work with. They explained that the singer was always late and would not even bother to apologize to anyone or offer any excuse. It has also been rumored that she did not get along with coaches Adam Levine and Gwen Stefani.

The publication further held that Aguilera wanted Stefani out of "The Voice." It was said that she wanted to become the only female coach in the panel and even talked to the producers about kicking Stefani out.

Early this month, it has been confirmed that Aguilera will be joining Levine, Blake Shelton and Pharrell Williams in the reality competition.

Sources told the publication that it Aguilera's return has always been part of the plan. With Stefani's alleged affair with Shelton getting the public's attention, the network believed that it was time to bring the focus back to the show and not on their personal lives.