Just as you should change your wardrobe, skincare, and cosmetics as you age, you also should adjust your hairstyle. "Updating your hair is a quick and inexpensive way to overhaul your look as you enter into different life phases," says Oded Gabay, celebrity hair stylist and owner of the Lovella salons in New York. Moreover, the bones in our face change as we age and affect the shape of features, according to a study in Plastic and Reconstructive Surgery. Hormonal shifts, occurring during pregnancy and menopause, can also influence the thickness and texture of your tresses - and which styles will be most flattering. Take this advice from celebrity stylists to get fabulous hair - no matter the number of candles on your birthday cake.