Mark Zuckerberg celebrates wife on her first Mother's Day with an adorable photo

Priscilla Chan celebrated her first Mother's Day yesterday, May 8. For the occasion, Facebook founder Mark Zuckerberg shared an adorable photo of his wife and daughter Max wishing her a happy first Mother's Day. "Happy first Mother's Day! You hold us up so we can experience the greatest adventures in life" he captioned the adorable photo.