Hilary Duff: First Family Portrait!

Scope out the first family portrait of Hilary Duff with her husband Mike Comrie and their adorable 3-week-old bundle of joy, son Luca.

The 24-year-old new mom posted the new pic, shot by Jennifer Wilson, as her Twitter profile photo!

PHOTOS: Check out the latest pics of Hilary Duff

“Big News!” Hilary just tweeted today. “I’m working w/ Johnson’s Baby on its new charitable program, Johnson’s Baby Cares, http://on.fb.me/JohnsonsCares – I love being a mom :)”

She also got in a spin class today, saying. “Yaaaaaaaaa @soulcycle ya did it againn @Pixieacia thanks;).”

And lastly, Hilary added, “Almost home to feed my little bambino! nice to get away for an hour to do something good for myself! But I miss his little face when I’m gone.”

FYI: Hil is using her Aden + Anais swaddle!

Click inside for a bigger pic…