Hilary Duff Still Working On Her Fitness!

She may be large and in charge, but under that baby boy is a lean machine!
We spotted super prego star, Hilary Duff, leaving her palates appointment in El Lay and looking SUPER FAB!
Hil waved at the photogs while before jumping in her car with her magically perfect post-workout hair. The actress/sing/author looks way too cheerful for a ready-to-pop pregnant lady who just finished working out.
Ugh, she makes us SO jealous! JK(kinda)!
See more pics of the freak-of-nature below!
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[Image via WENN.]