In the photos, Cyrus is rocking a look that can only be described as the classic sky-high bouffant meets a bouncy ... Redway suggests prepping hair with volume spray or mousse before you ...

The bouffant came of age in ... and curls creating a major infusion of volume. How did they keep it in place? Why, backcombing, of course. Helmet hair really came into its own in the 1970s.