Celeb Babies Make Their Digital Debut

Welcome to the world (wide web)! Kimora Lee Simmons poses with her 11-pounder, Justin Timberlake proudly shows off his newborn (and NBA loyalties), Kourtney Kardashian gives us a #NoFilter-needed peek at her baby boy and more social stars introduce their babies online

NOAH MAZUR: FACEBOOK

At 7 weeks old, Alessandra Ambrósio's little guy made his modeling debut on Facebook in the arms of his Victoria's Secret Angel momma. The supermodel – who is also mother to daughter Anja, 4 – welcomed her son with fiancé Jamie Mazur on May 7.