Meanwhile, her step-daughter-in-law Catherine Zeta-Jones posted a heartfelt message commemorating the occasion.
"Happy Birthday to my extraordinary step mother in Law. Our Queen, our Oma. You personify everything that is good in a woman," the actress wrote. "I admire you and love you so very much. 101 years young today. ??Anne Douglas thank you for everything that you have done for people in our world."