Kourtney Kardashian and Travis Barker Welcome Son

Kourtney Kardashian and Travis Barker are basking in parenthood… Bible!

The Poosh founder hinted at the arrival of their baby boy, Rocky Thirteen, by wishing the drummer a happy 48th birthday using his new title: "daddy."

"To my husband, my soulmate, my best friend, my lover, my daddy to our baby boy, my everything," Kourtney wrote on Instagram Nov. 14, "I wish you the happiest birthday. You make all of my dreams come true and I feel so blessed to have you by my side. I love you beyond words, forever."

She accompanied the caption with steamy photos from her maternity shoot, including a throwback shot of her topless and one o…