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Meet Hilary Duff's newborn Luca Cruz and his tiny, adorable feet!

A Romance in Pics: Hilary Duff and Mike Comrie Through the Years 

Duff posted the very first photo of her pride and joy, 2-week-old Luca Cruz Comrie, to her Instagram page on Monday with the simple and sweet caption: "My favorite little feet."

Last month, Hilary and her hubby Mike Comrie announced the March 22 birth of the 7 pound 6 ounce baby boy via her Twitter account.