Pete Davidson has joined the diaper squad ... his girlfriend Elsie Hewitt has given birth! Yup, the model officially announced the arrival of their newborn on IG Thursday ... sharing photos of their little one. She says her baby girl, Scottie Rose Hewitt Davidson , was born on December 12, 2025 ... last Friday. Pete and Elsie were soaking up the soon-to-be-parent vibes over the summer ... relaxing on luxe getaways and enjoying some much-needed chill time together. TMZ spilled the tea -- the