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This is Mariah Carey like we've never seen her!

The pop icon is giving fans an inside look at her life in an eight-part reality series called "Mariah's World" -- and E! just dropped the first promo for the show.

Cameras will follow the singer as she gears up for her Sweet Sweet Fantasy tour and plans her wedding to Australian billionaire James Packer. The pair got engaged in January after first being linked last June.

Not only is she prepping for "the most important event that's ever happened," one scene in the clip shows Carey telling a friend, "I have a tour to do in less than two freaking weeks. Can I please focus on the important things?"

In another snippit, the Grammy winner refuses to take off her sunglasses inside. "I'm wearing these glasses because we're in fluorescent lighting, and I have a rule which states that I will not be seen in fluorescent lighting without sunglasses. I know, it's very '90s."

You can't knock a girl who knows her best angles, right?!

"I don't think everyone knows anything about me," she says at the end of the preview.

"Mariah's World" premieres later this year on E! -- are you excited to watch? Sound off below!

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