Posted on Thu Oct 18, 2012 01:15 PM PDT
Hilary Duff is a mom on the move!
The actress held on tight to baby son Luca while heading to a play date in Studio City.
Duff rocked skintight blue jeans tucked into Isabel Marant wedge sneakers and a see-through nude tank with an exposed black bra.
Hil's non-stop workout sessions seem to be paying off!
SEE THE GALLERY Hilary Duff Carries Baby Luca
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Hilary Duff Is Working On Getting Buff - Oct 11, 2012
Hilary Duff Runs Errands With Her Little Helper - Oct 10, 2012
Hilary Duff Has One Tired Little Man On Her Hands! - Oct 10, 2012
Hilary Duff Takes Little Luca To Baby Class - Oct 04, 2012