Article continues below advertisementDonald Trump Jr. and Bettina Anderson spent their first Christmas together as an engaged couple - and the socialite was sure to put her new ring on display during the holiday.On Friday, December 26, the first son uploaded photos from their celebrations, captioning the set, "Grateful for this season, for family, for my smurfs, and for all the blessings that matter most. Merry Christmas everyone 🎄 ❤️🇺🇸."Article continues below advertisementDonald Trump Jr.