Hilary Duff [1] looked effortlessly gorgeous when she was spotted on a cute outing with her son, Luca, in Beverly Hills on Thursday. The Younger actress flashed a sweet smile as she soaked up the California sun in a black skirt and yellow jacket. Of course, this isn't the first time we've seen her look adorable in recent months. In addition to rocking bell-bottoms [2] back in February, she also put her toned bikini body on display [3] during a family vacation in Hawaii. Keep reading to see more of her latest outing, and then check out her cutest snaps with Luca [4].