By Kat Giantis

Six months after sticking a fork in their relationship, Demi Moore and Ashton Kutcher have sparked reunion rumblings after an apparently emotional rendezvous at a Kabbalah gathering.

In a story that we suggest you swallow with a horse pill-sized grain of salt, a source tells the London Sunday Mirror, "They are still desperately in love and could be on for a reconciliation. The divorce isn't being processed right now."

Seems Moore, 49, and Kutcher, 34, met up at a recent birthday party for Rabbi Yehuda Berg, who performed their red-stringed knot-tying in 2005. The paper says they greeted each other at the Beverly Hills shindig with a minute-long embrace.

"Ashton was there quietly socializing and Demi showed up a couple of hours later looking amazing," says the insider. "She went over to wish Yehuda a happy birthday and Ashton was right by him. Yehuda left them to talk. They started to chat and were extremely affectionate."

The snitch then tossed in this flapping red flag: "She was staring at him like a lovesick puppy."

A little later, a reportedly remorseful Kutcher turned on the waterworks. Click on to find out why ...