The Black Eyed Peas singer, who gave birth to Axl in August, covered up in a loose fitting cardigan, but still gave us a glimpse of her fabulous pinstripe trousers and seriously hot arm candy.
Fergie was without her newborn son for the trip, but earlier in the day she treated fans to a new photograph of the cutie, whose dad is actor Josh Duhamel.
Referencing the series finale of Breaking Bad which has just aired, the singer wrote alongside the image: "Aaahh #BreakingBad is done!! Still learning valuable life lessons on #SonsOfAnarchy. #mommystvshowsrock."
That's a little Sons of Anarchy beanie hat he's wearing, by the way! We knew this would be one seriously cool celebrity kid.
We're not the only ones gushing over Baby Duhamel either – one fan jokingly tweeted Josh this week to ask if he'd consider giving her the tot.
"Let me think about that….," he replied. "NO!"
Josh has previously said that he and his rocker wife are a tad "obsessed" with their newborn, telling 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."
Well, if we had cutie pie Axl around we probably wouldn't stop staring at him either!
Fergie and Josh enjoyed their first post-baby date night last week, when they were spotted leaving Hakkasan restaurant in Los Angeles on 25 September.
More celebrities who have become parents this year:
Copyright: Love & Lust London