“The mistress in question was Marla Maples, who later became Trump’s second wife.
The Enquirer editors and reporters stayed on the Trump-fornication beat all through that year. “Caught! Trump & His Mistress,” the tabloid reported in its May 1990 “WORLD EXCLUSIVE” that featured “amazing photos that could cost [Trump] $billions.”
In October 1991, the publication ran a headline that read “Marla ruined my life,” and said it would explain how Trump “dumped his wife-to-be.” (The couple later married in 1993). He was also reportedly near some sort of “breakdown” around this time, as reported in aJune 1990 issue. The Enquirer alleged then that former president Richard Nixon (who Trump now has a habit of channeling on the campaign trail) had some sort of plan to save him from this downfall.
And as America entered the mid-’90s, there was yet more alleged Trump 
cuckoldry to unveil. “Shock for Trump!” read a cover story dated May 7, 1996. “MARLA CAUGHT WITH HUNK” when “cops interrupt late night beach frolic.”
This article is slightly less declarative than some of the other “exclusives.” The piece onlystrongly implies that the HUNK in question was carrying on an affair with Maples, who by then was married to Trump.
“Donald Trump’s wife Marla Maples was caught on a deserted South Florida beach at 4 a.m. with a young muscled hunk while her husband was out of town,” the piece begins. “The couple was discovered together by a stunned police officer who instantly recognized the blonde beauty. A rumpled and sandy Marla pleaded with the officer not to report the incident as her red-faced and nervous companion shuffled his feet.”
The Enquirer identified the young man as one of Trump’s “Secret Service”-style bodyguards, who formerly had a reputation as being the “womanizing czar of spring break.”
Donald Trump’s marriage to his first wife, Ivana, came to a bitter end when she caught him having an affair with a woman 17 years his junior—that woman was Marla Maples. Ivana accused Trump’s young mistress of being a gold digger, which Maples still refutes because she maintains that she was always under the impression that his marriage was over before their May-December relationship progressed.
The 1996 Enquirer article also makes note of Trump’s presidential ambitions, stating that he was considered by some to be “prime material for a run at the presidency.”