Cute kid alert! Mario Lopez's 2-year-old daughter Gia goes gangsta in a pretty sweet fedora, while Hilary Duff's baby boy Luca shows of his very first teeth -- with a big smile. Adorable!

Plus, see John Stamos' face as dessert (is it just us or are cake people just plain creepy), "Glee" star Chord Overstreet sports his first grill, and Snooki and JWoww flaunt their ridiculous height difference.

Check out the personal photos these celebs and more shared on Twitter this week!


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