Mariah Carey's Sexiest Looks

Mariah Carey's ex-husband and former manager Tommy Mottola thinks the singer's E! docuseries "Mariah's World" is damaging her career.

The music exec, who launched Mimi's career and was married to the pop diva from 1993-1998, sent an open letter to Page Six criticizing some of the recent business decisions she's been making.

"My only advice is that she should hire more seasoned and respected professionals to surround her and help her with her career," he exclaimed. "I would never have encouraged her or guided her to do something like a reality television show!!!!! I don’t get it!!"

"That does absolutely nothing for her integrity, her credibility, or her massive talent," the letter said. "She should take a step back, think carefully and figure out what to do next. That is what she does best.. most certainly none of these issues or problems ever existed with her in her early days at Sony for the first 10 years when she skyrocketed to global superstardom!! Where absolutely meticulous and methodical attention was paid to every single detail and nuance that went on into her career!"

Mottola also chimed in on her New Year's Eve performance, saying it "could've happened to anyone."

"Yes, her technical people should've helped pay more attention to all of it so that there was no chance of that happening," he added.

Carey's current manager, Stella Bulochnikov, fired back: "Really? Tommy is a relic. Did he give you that statement from a rotary phone?"

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