Kourtney Kardashian shares first picture of baby boy

Proud mother Kourtney Kardashian has shared the first look of her newborn son on Instagram, three months after giving birth to the bundle of joy.

"My little turtle dove angel baby boy Reign Aston Disick," Kourtney captioned the photo that showed little Reign in a white onesie lying on a white fur rug.

"Meet my beautiful grandson! #blessed

#oneofthelovesofmylife," grandma Kris Jenner wrote.

The adorable Reign is Kourtney's third child with longtime boyfriend Scott Disick, bringing their family to a total five. The baby joins big brother Mason, five, and big sister Penelope, two.