News Dog Mom Demi Lovato Wishes Herself a Very Happy Mother's Day By Emily Krauser 7:00 PM PDT, May 8, 2016 AP Images Demi Lovato celebrated Mother's Day by cuddling up to her dog, Batman. The "Stone Cold" singer couldn't resist sharing a sweet snap of herself snuggling up to her pooch. Over the Snapchat she wrote, "Happy Mother's Day to me!!!" along with four pink heart emojis. SnapchatWATCH: Demi Lovato Laughs Off 'F***ing Awkward' Met GalaLovato, 23, also posted a photo of her longtime boyfriend, Wilmer Valderrama, staring into Batman's eyes as they sat in the car, which she captioned "Daddy" with another heart emoji. SnapchatIt makes a lot of sense that Lovato and Valderrama dote over their dog, as last year, they had a few devastating months when it came to their pets.First, her dog, Buddy, died in July 2015 in a what Lovato described as "a tragic accident." Then five months later, the couple lost their Doberman Pinscher, Spawn. Valderamma was devastated after he lost his pup of eight years, penning a lengthy post on Instagram after his death. "Yesterday, I said goodbye to my handsome boy Spawn, this year has been quite a roller coaster," the 36-year-old actor wrote on Dec. 27, 2015. "Lots of emotions and lots thresholds crossed. This boy was there for it all.." View this post on InstagramA post shared by Wilmer Valderrama (@wilmervalderrama)NEWS: Demi Lovato Shows Off Hardcore Self-Defense Moves Batman was a bright spot last year, especially since Lovato got him for her birthday in August.The massive amounts of love aren't saved just for her animals, however. Lovato recently gushed over Valderamma, who she admitted was "more passionate" than her previous boyfriends. Find out why in the video below.Demi Lovato Gushes Wilmer Valderrama Is More 'Passionate' Than Former Boyfriends: He 'Loves So Hard' This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.