"Couldn't decide between an angel or a star," Trump Jr.'s meme says. "So I picked both."
It's scheduled for Wednesday night in New York City.
Ri recently appeared with Kim on a happy tour of a cosmetics factory in Pyongyang.
The most popular time to buy a Christmas tree is the weekend after Thanksgiving, but experts advised buying earlier this year.
New Orleanians can recycle their trees by placing them on the curb January 7-9.
The tree was cut down in Gardiner, New York, leaving a stump 47 inches in diameter.