Katy Perry and Orlando Bloom faced heartache over the summer when the actor's beloved dog Mighty sadly died after going missing for several days.MORE: Katy Perry's daughter Daisy takes centre stage in star's new postBut on Tuesday, Orlando shared some positive news on Instagram, revealing that the celebrity couple have welcomed a new four-legged friend into their lives. The dad-of-two shared some sweet photos of himself with rescue dog Buddy, who they are fostering.