Josh Duhamel and Fergie's Baby Album

PHOTO: Josh Duhamel and Axljoshduhamel/Instagram
Josh Duhamel posted this photo on Instagram with this caption, "Gonna catch some football with my little guy today", Oct.6, 2013.

Josh Duhamel and Fergie welcomed their first child, son Axl Jack, in August, and can't contain their excitement about being parents.

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Watch Josh Duhamel Reveal His Baby's Gender

Last month, the "Transformers" actor, 40, and the singer, 38, both shared first photos of the little boy simultaneously and since then, several more have appeared on Instagram.

Meet Axl: Josh Duhamel and Fergies Baby Album
SLIDESHOW: Meet Axl: Josh Duhamel and Fergie's Baby Album

"First of all, we're obsessed with him," Duhamel told E! News. "We can't stop staring at him. He's our little man, we made him together. I think there's something you can't really describe until you go through it. I think any parents out there would understand that ... it's just an incredible time for both of us."