'Wasn't He Born Yesterday?': Josh Peck's Fans Can Not Believe His 1st Son Has Grown So Much in New Photo

Josh Peck and his oldest kid went to see the comedy troupe Dude Perfect this week, and fans were in awe at how much the four-year-old had grown.

"Took Max to his first concert," the "Turner & Hooch" star wrote. "It was more trick shots than ballads, and it was a time. Thanks for a wonderful experience [Kia Forum]." In a clip, Josh Peck's son, Max Milo Peck, looks emerged in the experience from his balcony seat.

"This child was born like three months ago in my head, omg," one commented, possibly confusing the youngster with his little brother, who was born last October.

"Wasn't he born yesterday?" another asked, as the confusion reverberated through the comments of the July 17, 2023 post. A third demanded, "HOW [expletive] DID HE GROW UP SO FAST?" while fourth wrote:

"OMG, how is Max this big already?!"

Josh and his cinematographer wife, Paige O'Brien Peck, kept Max's social media birth announcement simple after he was born on Saturday, December 29, 2018, in Los Angeles.

They shared a photo of the newborn swaddled in a hospital blanket, sweetly sleeping with a cozy striped beanie covering his head, captioned with his full name. Paige's post included a second photo of the tot intently staring at the camera.

Paige O'Brien Peck shared the news of her second pregnancy with a vacation photo.

They announced the pregnancy in August of that year with a sweet photo in which Paige's baby bump is displayed in a pretty polka dot sundress. The long-time couple married in June of the previous year in Malibu, California.

Big Brother Max was featured in Shai Miller Peck's birth announcement in October 2022. Then almost four, Max sits on a bed staring into the distance as if he is guarding Shai, sleeping beside him on a pillow. Josh's "Grandfathered" co-star, John Stamos, wrote:

"PERFECTION!"

"A wise man named Josh told me the only bad part about being a parent is there are no bad parts!" "One Tree Hill" actor Bryan Greenberg commented on the post. Paige O'Brien Peck shared the news of her pregnancy with a vacation photo from Italy in June 2022.

Josh chatted to Craig Melvin on "TODAY" in August of that year about being nervous about their growing family. He mused that it was likely down to having less time at one's disposal, which makes one wonder, "How will I sort of navigate this?"