See Reese Witherspoon's best on-carpet looks on her 40th birthday
If we were to guess how old Witherspoon is, 40 wouldn't come close to the number in our heads. In fact, we wouldn't even roll our eyes if we heard people frequently mistake her for looking more like her 16-year-old daughter's older sister than her mom.
It's safe to say, Hollywood has been very nice to this gorgeous, Academy Award winning actress. Whether she's breaking necks in Calvin Klein or dropping jaws in Zac Posen, Witherspoon never fails to wow on the red carpet.
See for yourself in the following collection of her best red carpet looks.