Which Celeb Mom Can't Stop Tweeting Photos of Her Tiny Tyke?

It's only been a couple of weeks since this starlet became a mother, but she's already addicted to showing of her tot

Just a couple of weeks after giving birth, this "proud mama" can't help sharing pictures of her baby boy via Twitter.

After keeping her little one's cutesy looks under wraps, the starlet debuted an aww-inspiring photo of her son on the social networking site earlier this week.

And now she's treating fans to more shots.

So, who is the singer-actress in question?

None other than Hilary Duff!

"Oh no! The flood gates have opened! Proud mamma on the loose! I can't help myself. Here's one more," Duff tweeted Thursday, later writing, "Grateful for all the wonderful blessings I have :)."

The 24-year-old Material Girls star welcomed her first child, Luca, with hubby Mike Comrie March 22.

MORE: Fashion Spotlight: Hilary Duff