Must've Been a Beautiful Babe

It's hard to picture celebs like Leo, Sarah Jessica and Nicole as diaper-clad tots, but even those famous folks were once mere munchkins. Stroll down memory lane as we peek at big stars back when they were little tykes.

LIV OF THE PARTY

As the daughter of Aerosmith frontman Steven Tyler and former model Bebe Buell, Liv Tyler was certainly blessed with good genes. Whether playing with mom before the camera (at age 3 in 1980) or posing at the Manhattan premiere of The Lord of the Rings: The Two Towers (in December 2002, right), Tyler always steals the spotlight.