Fergie may have given birth to son Axl Jack back in August, but she’s making it clear that she’s been up in the gym and working on her fitness since then. The first-time mom is flaunting her incredible lady lumps, and yes, looking absolutely fergalicious. Not only that, we get to see just how big four-month-old Axl is getting.

“Mama got to hang with her lil homie today on the set of her #avonoutspoken shoot,” the 38-year-old singer tweeted along with a photo from the set of her Avon campaign shoot on Wednesday, January 29. How adorable is it that Fergie calls Axl her lil homie?

In the photo, Fergie is giving us all kinds of sexy, showing off her amazing legs and lean figure — in sky-high stilettos, nonetheless. Fergie Ferg is dazzling in a red-hot sequin mini dress while little Axl is looking cozy in a gray sweatshirt paired with jeans and some sweet kicks.

The only thing that would have made this photo better would be the addition of proud papa Josh Duhamel, which would have given us a family portrait to gush over. But hey, we’re loving this mommy and baby pic just as much! Keep ‘em coming, girl!

Can you believe how amazing Fergie looks? How adorable is little Axl? Hit the comments and let us know!

Carson Blackwelder is an Assistant Editor at Wetpaint Entertainment. Follow him on Twitter and Google+!