It does seem that whenever an ancient Egyptian artist sculpted or painted figures, his proportions were determined by a certain canon.
It is not easy, however, to persuade the Egyptology community that the ancient Egyptians knowingly used the Golden Ratio. The mere existence of the numbers in art and architecture is not necessarily proof that the artisan was aware of the ratio inherent in those numbers, but the vast number of incidents they match cannot be down to coincidence alone.
Long article.