Justin Theroux and Jennifer Aniston are mourning the death of their dog, Dolly.
Theroux took to Instagram on Monday to announce the pet's passing.
"Tonight, at sunset, after a heroic struggle...our most loyal family member and protector, Dolly A. laid down her sword and shield," he wrote alongside a few snapshots of his four-legged friend. "She was surrounded by her entire family."
Quoting a few words from George Graham Vest, Theroux then wrote, "The one that never deserts, the one that never proves ungrateful... is the dog-- faithful and true, even in death." He ended his post by writing "Rest in Peace Dolly" along with the hashtags #AdoptDontShop and #RescueDog."
In one image, two hands grasped each other’s — one presumably Theroux’s while the other appearing to be of Aniston, 50. In the last photograph, they wrapped the late pup in a soft blanket.
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Theroux shared Dolly with his now-ex. In fact, the "Friends"actress actually named the beloved pet after Dolly Parton.
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"I'm very touched when people have known me so long or to say that I've been an inspiration, but you really know when you've got a true fan when someone like Jennifer Aniston says, 'I named my dog Dolly Parton,'" Parton told E! News in 2017. "She's got a dog, and I said, 'Is that a compliment?'"
Aniston and Theroux shared several rescue dogs over the course of their relationship. The two tied the knot in a top-secret wedding in 2015 and announced their split in 2018.