I do not wish to start a debate but the ideas and opinions out there are varied and entertaining.
If GOD made them as a prototype and all others HE made followed that look then the first two would have had belly buttons.
Aesthetically it is pleasing so yes they had belly buttons
Artists created foliage over and around their bodies to avoid the theological question.
Artists painted people as they knew people and people have belly buttons.
Religious mythology does not have to be scientifically accurate.
Lucas-Cranach-the-elder, Adam and Eve
I simply am interested in if there were any paintings, or sculptures of Eve and Adam without belly buttons. The majority of what I found are beautiful, sumptuous and show belly buttons.
This week enjoy Unbuttoned Belly.