Miranda Lambert dug deep for a heartfelt reason and urged others to do the same as the holidays approach. The animal-loving singer announced her annual Share The Love campaign, which gives back to animal shelters and revealed that 20 shelters will each receive a $1,000 MuttNation donation. MORE: Miranda Lambert's daily diet revealed: how she dropped a dress sizeMiranda spread the emotional word on Instagram alongside a photo of her snuggling up to one of her own pet pooches. WATCH: Miranda