The first son took to his social media to make the exciting announcement on Tuesday morning, with photos of himself and his wife with their 1-year-old son, Eric Luke Trump. Some of the thousands of people who have responded, however, are not as delighted.
Despite being mocked by his critics, Trump was feeling the love on Presidents' Day from his children.
"Women can choose to knock each other down or build each other up," the first daughter said of the controversial piece that sees a look-alike model vacuuming up crumbs.
Tiffany Trump notably didn't post anything to mark her half-brother's birthday.