VIDEO : Chrissy Teigen and John Legend's Baby Girl is Adorable

30-year-old model Chrissy Teigen and 37-year-old singer John Legend welcomed their first daughter, Luna Simone Stephens, in April this year. Since then, they have both shared many super adorable photos of their baby girl on social media. On Thursday, Teigen posted on Snapchat a sweet photo of Luna dressed in a knitted mermaid costume. It was a part of her campaign for Vita Coco Coconut Oil,