By Rose Walano
Updated Feb 23, 2012 @ 11:40 am
Dakota Fanning, Kristin Davis, Emily Blunt
Credit: John Shearer/WireImage; Michael Caulfield/Getty; Gregory Pace/BEImages

February 23rd is a big day for Hollywood birthdays! Today, Emily Blunt turns 29, Kristin Davis celebrates 47, and Dakota Fanning hits 18. Happy birthday, ladies!

Plus, see Fanning's transformation from child actress to big-screen star in the gallery!