'Godless' Actress Audrey Moore Gets Engaged to Longtime Boyfriend -- See the Pic!

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A source tells ET how the proposal went down.

Congrats to Audrey Moore!

The Godless actress got engaged to her longtime boyfriend, Jesse Lumen, over the holidays, she revealed on Instagram on Monday. 

"This is real. This is not a joke. Merry Christmas to all!! ????? ?," Moore captioned the snap of her and Lumen holding hands in front of a Christmas tree. The actress, who plays Sarah Doyle on Godless, gave fans a good look at her sparkling new accessory in the photo. 

A source tells ET that Lumen went all-out for his proposal, making a book about their dog being jealous of their relationship. 

"It was like a Dr. Seuss book where it rhymed and all about why the dog is so jealous. Then at the very end of the book the dog basically says he wouldn’t be jealous if Audrey responded with ‘a no to [Jesse's] plea..’ and then Jesse got down on his knee and asked her to marry him," the source shares, adding that of course Moore said "yes!" 

ET's source reveals that the couple has not made any wedding plans, but are tentatively thinking of a winter wedding next year. 

Reporting by Darla Murray.