DJ Don in Mar-a-Lago mix

JUST call him DJ Donald?

Donald Trump DJ’d his own Halloween party at Mar-a-Lago, Page Six is exclusively told.

A source said: “The former president played DJ from his dinner table with his iPad,” at the “wild” Palm Beach, Fla., celebration.

The source added that the former reality TV star turned president was “playing mostly ’80s music that got everyone dancing,” and said, “Trump also played ‘Phantom of the Opera.’ He likes the music very loud” — which even had some elderly guests privately grousing, we hear.

The source reported that Melania Trump was not in attendance. Her husband, meanwhile, “dressed as himself.” “‘The Donald’ was in top form, greeting guests, who all encouraged him to announce he’s running in 2024 — but he ducked direct answers.”

The best costume, according to guests at the Monday party, “was a man dressed as an ‘old Joe Biden’ with a walker,” our insider added. “That got a hearty laugh.”

Video surfaced on Twitter of Trump dancing at the Mar-a-Lago celebration — where grooving guests were variously dressed as the Pope, “American Psycho” character Patrick Bateman and a few sexy nurses.

Also over the weekend, former First Daughter and White House aide Ivanka Trump celebrated her 41st birthday in Miami with sister Tiffany and a group of gal pals, a source tells Page Six.

Ivanka and her party of 20 were at Italian spot Call Me Gaby. “It was just a girls dinner,” said a source. “Ivanka was clearly the star of the show.”

Last year at Mar-a-Lago’s Halloween bash, guests included top golfer Dustin Johnson and his wife Paulina Gretzky. Johnson was dressed as a tennis pro, while Wayne Gretzky’s daughter wore a “Baywatch” babe costume. Reps for the Trumps did not respond to multiple requests for comment.