It seems a little unfair. The ladies love blue eyes, and babies already have a cuteness advantage. The iris is the muscular ring around the pupil. And its color depends on a protein called melanin ...

With her bright blue eyes, squishy baby cheeks ... and everyone is saying the same thing: this baby girl is beautiful! "5 months with my forever Galentine 💕💌," the Hit-Monkey star captioned ...