The proud parents, who coordinated with their youngster in matching 'One' party hats, were the picture of happiness. Mark, 32, captioned the photo: "I can't believe it's been a year! And she kissed me on the cheek for the first time yesterday. Here's to many more years of happiness and health for Max and all children around the world."
Mark Zuckerberg posted the cutest photo with daughter Max and wife Priscilla
The Harvard alum regularly shares photos of his daughter who he clearly dotes on. Last week he gave fans an insight into the family's Thanksgiving celebrations at home, uploading a snapshot of Priscilla reading to Max in a tent in their garden.
It comes shortly after Mark revealed that his daughter's first word was 'dog'; the family have a pet called Beast who Max loves.
The little girl's first word was 'dog'
Mark and Priscilla, 31, tied the knot in 2012 after meeting at Harvard University. The couple wrote a touching open letter to their daughter shortly after she was born, detailing their hopes for Max and her generation. They pledged to give away 99 per cent of their $46billion Facebook stock to charity in Max's honour.
"Your mother and I don't yet have the words to describe the hope you give us for the future," it read. "Your new life is full of promise and we hope you will be happy and healthy so you can explore it fully. You've already given us a reason to reflect on the world we hope you live in…
Mark regularly shares photos of his adorable tot
"Max, we love you and feel a great responsibility to leave the world a better place for you and all children. We wish you a life filled with the same love, hope and joy you give us. We can't wait to see what you bring to this world."