Neither did Scarborough, a contributor to The Washington Post opinion section, who responded.
Trump: "Tried watching low-rated @Morning_Joe this morning, unwatchable!
It is also no surprise that Trump would engage in Page Six gossip (which has circulated elsewhere, too), given that his list of go-to news sources includes the National Enquirer, Infowars and World Net Daily.
Anyway, Trump did not stop his "Morning Joe" attack at a single tweet.
Six months ago, in the early stages of the Republican primary, Scarborough and Brzezinski were widely viewed as being too cozy with the business executive, who was a frequent guest on their show.
The co-hosts were quick to take Trump's candidacy seriously - last year, Brzezinski bet colleague Mike Barnicle that Trump would win the Republican nomination - and the billionaire even thanked the duo for being "supporters" after winning the New Hampshire primary in February.
Scarborough and Brzezinski always maintained they were not supporters but merely believers in Trump's political prospects. "Ratings represent a common thread throughout Trump's broadsides, but he took things to a new, more personal level Monday by amplifying the dating rumor.