Trump's children also took to twitter.
Eric Trump tweeted a photo of himself Saturday night with actor Sylvester Stallone at Mar-a-Lago, writing, "New Year's wouldn't be New Years's without @TheSlyStallone #GreatAmerican"
Donald Trump, Jr., whose birthday is December 31, tweeted a photo from Mar-a-Lago of himself with wife Vanessa -- both decked out in "Happy New Year" top hats.
Ivanka tweeted a photo that was a compilation of images from the past year, writing, "2016 has been one of the most eventful and exciting years of my life. I wish you peace, joy, love and laughter. Happy New Year! #NYE"
On Saturday morning, the president-elect tweeted, "Happy New Year to all, including to my many enemies and those who have fought me and lost so badly they just don't know what to do. Love!"