0530_simpsonJessica Simpson's baby is ready for her closeup!

The star and newborn daughter Maxwell Drew Johnson cover the new issue of PEOPLE -- where we get our very first glimpse of the adorable little girl.

The photos of Jessica and Eric Johnson's little one reportedly sold to the magazine for $800,000.

"Life has completely changed," Simpson says about the baby. "From how I sleep to what I think about, Maxwell has definitely taken over everything!"

"We stare at her all the time," the 31-year-old mom adds. "We can't get enough!"

Jessica also announced she's the new spokeswoman for Weight Watchers -- so prepare to see her baby weight loss soon!

See more photos of Maxwell when the latest issue of PEOPLE hits newsstands Friday.

Isn't she a cutie?!

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