Pete Davidson has joined the diaper squad … his girlfriend Elsie Hewitt has given delivery!

Yup, the mannequin formally introduced the arrival of their new child on IG Thursday … sharing images of their toddler. She says her child lady, Scottie Rose Hewitt Davidson, was born on December 12, 2025 … final Friday.

Pete and Elsie had been absorbing the soon-to-be-parent vibes over the summer time … stress-free on luxe getaways and having fun with some much-needed chill time collectively.

TMZ spilled the tea — the previous “SNL” star and Elsie have been anticipating since July, after sparks flew again in March.

Pete’s been a doting dad-to-be within the run-up to the delivery … carrying his GF’s being pregnant pillow for him on his shoulders whereas strolling by way of NYC — and, we additionally acquired video of Pete planting a kiss on her lips on the child bathe.

The duo acquired collectively after Pete’s high-profile heartbreak tour — Kim Kardashian, Ariana Grande, Emily Ratajkowski … you title it.