He is celebrating baby Jack Blues’ latest milestone with a rare new glimpse ... 2021 in New York City. (Photo by Arturo Holmes/MG21/Getty Images) Arturo Holmes/MG21/Getty Images In the picture ...

As the doting mom cradled her baby with one arm, and took a photo with the other, Jack's tiny feet dangled down. "Time is flying by too fassssst [sic]," Hailey penned in the caption.

Baby Bieber is growing up—and his parents, Hailey and Justin Bieber, are celebrating a major milestone. Jack Blues Bieber was born seven months ago on August 22. Now, his mother Hailey is ...