Sporting a stylish young mommy look, Hilary Duff took her son to Babies First Class in Sherman Oaks, California on Wednesday (April 17).

The "Lizzie McGuire" star looked cute in a black jacket, gray top, black and white scarf, and gray pants as she carried baby Luca on her hip.

Just the day before, the 25-year-old actress stepped out to promote her new book, "True" at Mrs. Nelson's Toy & Book Shop.

Sharing a snapshot of herself hugging a fan at the event, Hilary commented, "Great night.. Thank you to all my loyal and devoted fans love You guys mean so much to me! #love." The last of the Elixir series, "True" concludes the epic love story of Clea and Sage.