The pair were spotted attending a service at the Kabbalah Centre in LA on Friday night.
In line with custom, the pair sat on opposite ends of the aisle. But they greeted each other with a hug after the service and walked out with their arms wrapped around each other's waists.
Despite the couple's show of solidarity there were reports at the weekend that Demi has met with a divorce lawyer.
She is reportedly weighing up her options after last ditch attempts to save her marriage, reports the Daily Mail.
Focus has been on the couple's relationship after Ashton went out to a nightclub on the eve of their sixth wedding anniversary without his wife.
A 23-year-old woman is also alleging she spent the night with the Two and a Half Men actor that same weekend.
Ashton has written cryptic messages on his Twitter account, seemingly in response to the stories.
He first posted a link to Public Enemy's hit Don't Believe the Hype.
Then in a separate entry he wrote: "When u ASSUME to know that which you know nothing of you make an ASS out of U and ME."