The Bob Hairstyles

This popular cut has as many famous fans as interpretations: Try it sleek, wavy, or choppy — the way Audrey wears it here.

Cut and color: This version is slightly longer in front, which keeps it from looking too boxy. Bold highlights play up the chunky texture.

Is it for you? Swingy layers flatter all face shapes, from round to oval or square, says Decuers. This shorter length can also plump up fine hair by taking away some weight.

Styling tips: "Use a thickening spray on damp strands to give it more movement," says Decuers. A good choice: Charles Worthington Dream Hair Exquisite Body Thickening Spray ($9, drugstores)..

Key makeup move: Roncal filled in Audrey's over-plucked brows with a blond brow pencil. "Too-thin brows can make you look washed out — especially if you're fair-haired,"