We did some detective work; see if you agree with our conclusions.

The huge 5-carat sparkler also became a subject of speculation whenGuilfoyle and Donald Trump Jr. first announced their engagement.

Now the wedding is apparently off, but the ring remains on.

Donald Trump Jr. holding upraised hands with Kimberly Guilfoyle

A peek at the IG feeds of both Donald Trump Jr. and Kimberly Guilfoyle is indeed revealing.

but Don Jr. notably hasn’t done the same for hers in quite some time.

The socialite, on the other hand, doesn’t appear to be one of Guilfoyle’s followers.

Kimberly Guilfoyle red dress with son at Mar-a-Lago

The couple was spotted fighting in public

No relationship is perfect.

Even the happiest of couples disagree at times and sometimes those fights are heated.

“Don and Kimberly haven’t been getting along over the past year,” the insider disclosed.

Kimberly Guilfoyle eyes closed hands together, Donald Trump Jr. speaking into microphone

“They get argumentative at Mar-a-Lago in front of people.

Nothing crazy, but you know when a couple is fighting.

They bicker in public.”

Donald Trump Jr. and Kimberly Guilfoyle looking somber exiting Air Force One

That isn’t that surprising, considering both parties' bold personalities and outspoken natures.

And she would be especially likely to do so if that fiance was caught sneaking around with another woman.

That’s just a little too conveniently timed to be a mere coincidence.

Donald Trump Jr. holding Kimberly Guilfoyle green dress

Plus, there’s the distance factor.

In fact, a source toldPeoplethat this was key to Trump’s decision.

“Bettina [Anderson] wants Kim out of the area,” they posited.

Kimberly Guilfoyle sitting behind Trump and Vance at RNC

“They are trying to send Kim abroad.”

Whether Anderson will occupy her former seat in the White House dining room remains to be seen.