Cardi B has some brand new bling! Of the umbilical variety... The WAP rapper is now a mom to four after welcoming her first child with Stefon Diggs. And clearly the birthing experience is one she wants encapsulated forever because she had the little baby boy's umbilical cord turned into gold jewelry! On Monday, Juliane Marie Corona, who according to her Instagram specializes in placenta encapsulation, took to the photo sharing app to show off her process of transforming Cardi B's son's umbilical cord! Related: Millie Bobby Brown's Baby Makes Her Interview Debut In the video, she wraps the cord...