He has ADMITTED he met her (because she interviewed him for People Magazine).. He has publicly denied the allegations of at least 2 occasions.
1) “Think of it,” he said. “She’s doing a story on Melania, who’s pregnant at the time, and Donald Trump — our one year anniversary. And she said I made inappropriate advances, and by the way, the area was a public area — people all over the place.”
“Take a look, you take a look, look at her — look at her words — you tell me what you think. I don’t think so. I don’t think so.”
and:
https://twitter.com/realDonaldTrump/status/786554517680693248
Why didn't the writer of the twelve year old article in People Magazine mention the "incident" in her story. Because it did not happen!