The Step Up actress looked nothing short of stylish as she swapped the floaty dresses and denim flares for a pair of lycra leggings, navy blue and yellow trainers, a slinky top and a leather jacket to boot.
Can we take a second to marvel over her AH-MAZING figure?
The mum-of-two put a stylish twist on her laid-back ensemble and clutched a cobalt blue tote bag with gilt handles and tinted Ray Ban sunglasses.
Jessica - who wore her midi-length brown locks in a fuss-free topknot - appeared to be completely bare-faced as she dipped in and out of the swanky boutiques but that didn't stop passersby from showering her with attention.
Gorgeous Ms. Alba looked like she was on a mission as she emerged from a series of stores clutching a handful of designer bags but it looks like she was doing the rounds for kitchenware, not a new wardrobe.
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