Pregnant Reese Witherspoon Celebrates Her 36th Birthday! See Her Style Evolution! (PHOTOS)
The mother-of-two married talent agent Jim Toth, 41,in at her home in Ojai, California country estate last March, and now the two have a baby on the way.
Known for her roles in Sweet Home Alabama, Fear, Legally Blonde, Cruel Intentions and Walk the Line, this Oscar winner is earned the title of America's Sweetheart.
In celebration of her birthday, take a look at the evolution of Reese in our gallery, and see how far she's since age 19.
Leave your birthday wishes for Reese in the comments below.