Hilary Duff hat barneys pregnant sneakers spandex

Hilary Duff looks happier than ever, and can you blame the 23-year-old? After all, she's expecting her first child!

The former Lizzie Maguire star made no effort to hide her tiny but growing baby bump as she wore a snug black long-sleeve shirt, leggings and aviators while shopping at Barneys in Beverly Hills Tuesday.

We're not sure what the black wool cap is all about in August, but we love that she's clutching on to a very healthy bottle of water.

And now that her secret is out, Hil is happily opening up about the pregnancy. "Now I can finally talk about my cravings!" she Tweeted. "Today it was rice crispy treats!"