The 29-year-old model took to Instagram on Thursday to announce the birth of Scottie Rose Hewitt Davidson on December 12 - the couple's first child together.
Elsie shared multiple photos that captured the moments after the newborn's arrival, including her and former Saturday Night Live cast member Pete, 32, bonding with Scottie, and their first days as parents.
Captioning the cute photo carousel, she penned: "Our perfect angel girl arrived 12/12/2025 scottie rose hewitt davidson. (sic)"
The baby's name is a sweet tribute to Pete's late dad, Scott Davidson - a New York City firefighter who died during the September 11, 2001, terrorist attacks aged 33.
And Elsie declared giving birth to her and Pete's beautiful bundle of joy as her "best work yet", before adding: "I am absolutely overflowing with love and gratitude and disbelief."
The caption ended with a comment from Pete, which read: "wu tang forever. (sic)"
Thousands of Elsie's followers flooded the upload's comments section with congratulatory messages.
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