Check out their sweet (and sometimes hilarious) messages from Twitter, Instagram and other social networking sites!
Lady Gaga: Happy Thanksgiving little turkey+tofurkey monsters, I love you with am, my heart and thought all day about how grateful I am to be.
Harry Styles: Happy Thanksgiving Errrrrbody.
Kim Kardashian Thanksgiving was the holiday that I always spent with my dad skiing every year in Vail, Colorado since I was 2 years old to 22. This time of year always brings back such amazing memories. I am thankful I had them. I am so thankful for my family being close and always so supportive. I am extra thankful this year for my baby girl and am so happy I get to spend this Thanksgiving as a family with my daughter and fiance. I wish you all a good healthy happy thanksgiving from our family to yours….Dont eat too much ;-).
Adrienne Maloof: I am truly thankful for a beautiful family and loving friends, along with great fans and supporters. Remember to give back this Holiday.
Conan O' Brien: In honor of Hanukkah falling on Thanksgiving, I am going to spend dinner feeling guilty about everything I have to be thankful for.