Late Thursday night, Zac Efron shared some extremely sad news with his social media followers. The Baywatch actor posted an adorable photo of him and his dog, Puppy Efron, on both Twitter and Instagram and revealed that his beloved pet had tragically passed away. In the caption of his Instagram photo, Zac wrote, "Through thick and thin you've always been my best friend. I'll see you at the finish line, RIP Puppy Efron. 🙏🏽👼 Felt hog tied ever since my dog died/He lived to 84, damn, that's a long ride/I know he up there he just sit and he wait/I'll be racing up the stairs I'mma get to the gate singing" 🎶 - Chance the Rapper." The 28-year-old actor first announced that he'd gotten the Australian shepherd for Christmas in 2011 and was later joined by Zac's other dogs, Chappelle and Dreamer. Between his new friendship with Simone Biles and plenty of movie roles, hopefully Zac has enough to keep his mind off of the loss of Puppy Efron.