Hilary Duff in Studio City

"Continuing to healthily work off her baby weight, Hilary Duff headed to Pilates class in Studio City, California on Tuesday (November 20).

The mother of baby Luca wore a white T-shirt, black scarf, black workout pants, and matching flip-flops as she carried her water bottle into the building."

(SOURCE: http://celebrity-gossip.net/hilary-duff/hilary-duff-works-out-after-family-trip-canada-764293)