Raven, who is also mom to one-year-old son, Gates, with husband, Adam Gottschalk, welcomed the little one on her 32nd birthday.
The reality stars are already parents to a 1-year-old son, Gates.
The baby boy was delivered via an emergency c-section.
The couple had to postpone their wedding three times before finally saying 'I do.'
ET spoke with Colton about his relationship with Cassie Randolph at the Critics' Choice Real TV Awards, which airs June 9 on VH1.
The 'Bachelor' star opens up about his excitement for his fellow 'Bachelor Nation' stars' exciting relationship news.
The 'Bachelor in Paradise' alums also give an update on their own relationship.
ET caught up with the 'Bachelor in Paradise' co-stars who also dished on how they make their long-distance relationship work.