Many dogs are the big sibling in both age and size when a newborn human baby comes home, but that doesn't last long. For tiny dogs like Melvin the Chihuahua, though, they'll be the smaller sibling ...

Oh my word we want one! One of our favorite Chihuahuas is little Lou that belongs to TikTok user @LoutheChichi. Lou has just the cutest videos ever and we are so happy to learn that Lou has a new baby ...