By Breaking Celebrity News Staff

Demi Moore announced that she was splitting from her husband Ashton Kutcher last November following his very public cheating scandal but neither has filed divorce papers to formally end the union and Breaking Celebrity News has exclusively learned that people close to the former couple are speculating about the REAL reason they haven't done so yet.

"There has been speculation for a while that Demi and Ashton were never actually legally married and that's why they haven't filed divorce papers yet," a source exclusively tells Radaronline.com.

"Some people think that they were just married in a symbolic Kabbalah ceremony and that they never actually filed the paperwork to make it legal," the source explains.

As Radaronline.com previously reported, Demi and Ashton had a reconciliation at Rabbi Berg's birthday party in May.

An eyewitness said their reunion was an emotional one, with the couple “locked in a 60-second embrace,” at one point.

However, even though they were friendly to each o