Kourtney Kardashian and Travis Barker ‘Feel Complete’ After Welcoming Newborn Son (Source)

Kourtney Kardashian and Travis Barker welcomed their first child together, and a source tells ET, the couple's feeling 'complete' and 'can't stop smiling' with their family's newest addition. Another source confirmed to ET on Monday that Kourtney gave birth to their baby boy, adding that the pair was feeling 'extremely fortunate' that she and their son are healthy following her recent pregnancy complications.