Then & Now: Celeb Kids All Grown Up!

From Maddox Jolie-Pitt to Ella Travolta, see how young Hollywood is coming of age

MATILDA LEDGER

Then: While filming in Toronto in 2010, Michelle Williams let her 4½-year-old daughter (she looks just like her dad, the late Heath Ledger!) lead the way.
Now: Three years later, the 7½ year-old trades in her jeans for a ladylike dress as she heads out Sept. 9 to help her mom celebrate her 33rd birthday in N.Y.C.