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Hilary Duff and her adorable baby Luca were snapped running errands in West Hollywood on Monday morning, and while the former Disney starlet wore a pair of rubber rain boots, the rest of her outfit was anything but frumpy. Way to work it, hot mama!

Hilary is taking her sweet time getting back to into showbiz, but in between getting ready for the holidays and spending tons of time with son Luca, she's still busy busting her booty at the gym.

Yesterday Hil tweeted a photo of a pair of size 26 Rag and Bone jeans and tweeted, "Yaaaa b*tches! @gabejohns your kickin my *ss and its paying off! Skinny jeans! LETS GO!" Since she's not actually wearing the pants we have a feeling they represent her goal weight, but by the looks of it, she's getting pretty close!