Cindy Crawford, queen of 1992.
Living Proof Full Thickening Cream
Beyoncé
Brigitte Bardot in the '60s.
Used in concert, the three-item Sebastian Volupt range (including Spray gel, shown) boosts hair's volume up to 75 percent.
Jane Fonda as Barbarella in 1968.
Marion Cotillard
Apply Bumble and bumble Thickening Serum before bed to plump strands while you sleep.
Gwen Stefani
Drew Barrymore
After styling, target roots with Logics Full Scale Root Finisher.
