Real Housewives of New York‘s Luann de Lesseps recently renovated her Hamptons beach home to create a cozy “safe haven.” But there’s one room that’s a little more chic (c’est la vie) than the rest: her walk-in closet.

The former countess gave PEOPLE an exclusive tour of her new space (filmed before her New Year’s Eve arrest and voluntary check-in to an alcohol treatment center), and revealed that she meticulously planned each and every corner of the closet (right down to her lingerie drawer) so everything fit just right.

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“I think it’s really important when you’re doing a closet that you think about everything that you own so that you have space for everything,” she says while showing off the closet’s various compartments. “So [you have to think about] how many pairs of shoes do you have? I literally counted how many pairs of underwear that I have so that I have enough space in drawers for that.”

She paid close attention to detail on design elements, choosing a light-colored wood paneling so it “doesn’t feel really heavy” and adding lighted hanging rods for a glamorous touch.

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Throughout the tour she shows a few dresses that have made appearances on RHONY, points out her Hamptons essentials (a straw clutch and wedges are a must) and reveals a dress that may make it to the reunion special.

“These are some dresses that Trina Turk sent me as options for the reunion,” de Lesseps says, showing off a pink beaded maxi. “So I haven’t worn them yet but I plan on wearing them because they’re so great.”

See all that and more in the video, above.