Kourtney Kardashian and Travis Barker have welcomed their baby boy, according to People. Kardashian announced she was expecting in June at one of Barker’s concerts by holding up a sign that read “Travis I’m Pregnant!” She underwent emergency fetal surgery in September and shared her experience on Instagram with a picture of her holding her husband’s hand. Just this past Monday, Kardashian and Barker showed off their Beetlejuice-themed Halloween costumes. The couple also has six children between them from past relationships.