
The teen magazine model was a cheerleader at Long Beach Polytechnic High School.
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After her acting debut in The Mask, the fresh-faced star became a Hollywood favorite. "Cameron is a living doll," says makeup artist Tracy Warbin. "When she smiles, it lights up her whole face."
Steve Granitz/Retna

The Feeling Minnesota beauty rocked a sleek '60s-inspired bouffant and bold red lips at the ShoWest Convention in Las Vegas.
CelebrityPhoto

Soon after her scene-stealing role in My Best Friend's Wedding, Diaz debuted edgy crimped locks.
Henry McGee/Globe

The There's Something About Mary lead dressed up her blunt bob for the Academy Awards with a bejeweled clip.
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Diaz joined her Charlie's Angels costars at the Oscars with blonder locks and matching bleached brows.
Janet Gough/CelebrityPhoto

The Gangs of New York actress went gorgeously bohemian with messy waves and minimal makeup.
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The In Her Shoes star tried out bold red lips. "We've played with a spectrum of lip colors," makeup artist Gucci Westman told InStyle. "She has a great mouth for lipstick."
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Princess Fiona, beauty icon? The Shrek the Third voice sported darkened locks similar to those of her ogre character. "Cameron's a natural blonde but can pull off brunet hair too," haircolorist Tracey Cunningham told InStyle. "She switches it up."
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The star of The Box wore an effortless-looking style on the red carpet. Says hairstylist Lona Vigi: "She's always on top of her game. She knows what works without trying hard."
Kevin Mazur/WireImage

For the Academy Awards, Diaz chose high-volume Old Hollywood waves. “She wore such an elegant dress, so we wanted a very 'movie star' moment," says hairstylist Lona Vigi.
Jeff Vespa/WireImage

She promoted Bad Teacher in London with fun lilac lips.
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Diaz showed off her new platinum bob at a Golden Globes after-party. Although the short cut was at first a shock, Diaz told InStyle that she soon warmed up to it: "I thought, No I really like this! It's freeing, and I feel so much lighter."
Jeff Vespa/Getty Images for TWC

Diaz changed up her cut for the Costume Institute Gala with an edgy take on a pompadour.
Dimitrios Kambouris/Getty Images

For the L.A. premiere of What to Expect When You're Expecting, Diaz chose a fresh fuchsia lip color.
Jeffrey Mayer/WireImage

For an L.A. art event, Diaz sported face-framing curved fringe.
Jordan Strauss/Invision/AP

The actress paired her loose ponytail with neutral makeup at a fashion event in NYC.
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The The Body Book author opted for a low chignon with dramatic, side-sweeping fringe.
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At the premiere of The Other Woman, Diaz showed off sleek, straight strands and a statement lip.
Mike Marsland/WireImage

Looking better than ever 2014 photocall for 'Annie' in London, Diaz styled her hair in loose, natural waves and finished the look with a lush, berry lip color.
Karwai Tang/WireImage

Keeping her makeup to a minimum, Diaz stepped out at an event in Woodland Hills, Calif., with a fresh-faced glow.
Jon Kopaloff/FilmMagic
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