Fergie and Josh Duhamel debut son Axl Jack

Fergie and Josh Duhamel have given fans a first look at their baby boy.

The stars each posted a photo of son Axl Jack to their Facebook pages on Tuesday.

Here's one the proud papa shared:

And another posted by his mother:

Axl is the first child for the Black Eyed Peas frontwoman, 38, and "Transformers" actor, 40. He was born Aug. 29, weighing in at 7 lbs., 10 oz.