Don Jr. and Kim engaged

DONALD Trump Jr. and Kimberly Guilfoyle have been engaged for a year and are headed to the altar, a source close to both of them confirmed to Page Six.

The former Fox News contributor sparked engagement rumors when she was seen wearing a massive diamond ring on her ring finger in a photo of the couple celebrating New Year’s Eve — and Don Jr.’s 44th birthday — which she posted to Instagram on Saturday

“Tonight was extra special celebrating @donaldjtrumpjr’s birthday,” she captioned the photos, with her ring on full display in a pic of the couple standing in front of a Christmas tree.

“Don, you are strong, smart, courageous, funny and the love of my life.

“I can’t wait to spend the rest of our lives together. Love you.” Don Jr. secretly popped the question to Guilfoyle on New Year’s Eve 2020, his 43rd birthday, according to sources.

The couple have been together for almost four years. Page Six first broke the news that Don Jr. was dating Guilfoyle, 52, in May 2018 after his first wife, Vanessa, filed for divorce. He and Vanessa have five children together.

Insiders said Don and Kim kept their engagement quiet for a year “because they are both serious people,” although the news is known inside Trump circles. The couple has also been settling into a new life in Florida after moving there from New York.

It’s no surprise the pair are getting hitched. Guilfoyle opened up about already feeling married to Don Jr. in February 2021, saying at the time, “Being his wife would be something that, of course, would be . . . fantastic. I absolutely adore the family . . . I already feel married to him.”

Meanwhile, Guilfoyle was married to Eric Villency from 2006 to 2009. They have one son. She was also married to then-mayor of San Francisco and current California Gov. Gavin Newsom for four years, until separating in 2005.