Name it a sizzling “Housewives” summer season.

Ramona Singer has been noticed “making out throughout Southampton” along with her new thriller boyfriend, an East Finish spy tells Web page Six.

The supply tells us of the unique “Actual Housewives of New York Metropolis” star, “She is a brand new girl as she goes into the primary anniversary of her relationship with new [mysterious boyfriend] ‘Invoice.’”

“The pair have been noticed making out throughout Southampton,” the supply added. “They’re completely in love.” 

Web page Six reported earlier this yr that Singer had a brand new love curiosity — referred to as “Invoice,” final identify unknown — who she has been maintaining beneath wraps.

Sources on the time mentioned that Singer’s ex-husband, Mario Singer, was at an occasion for the duo’s daughter, Avery, when he developed a case of “diarrhea of the mouth,” and began dishing about Ramona’s new beau identified solely as “Invoice.”

Ramona’s friends say that Invoice does certainly makes payments and that he’s from New Jersey and is in finance, we’re instructed.

Our supply mentioned that the 2 met final Labor Day and that, “Ramona is ingesting dramatically much less — and is glad ultimately.”

Whereas the insider instructed us that Singer and this Invoice fellow have been collectively for the higher a part of a yr, Ramona in January shut down costar Luann de Lesseps’ declare on the time that she had a brand new man.

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De Lesseps’ had claimed throughout her “Countess’ Cabaret” reside present in Boston that Singer had a brand new man in her life.

However Ramona instructed us again then, “Luann will not be updated … For the file, I don’t at the moment have a boyfriend. I’m not seeing the person I used to be seeing when Luann and I final spoke. I’m simply courting.”

Once we reached out, nevertheless, about her alleged new romance, she didn’t get again to us.

A supply beforehand instructed us of the pair, “Issues are getting actually severe with the man,” and that, “I believe she’s simply very protecting of the state of affairs … She’s a calmer Ramona now.”

Ramona additionally stars in Peacock’s “The Actual Housewives Final Women Journey: RHONY Legacy.”