Sandra Bullock's Changing Looks

The Arlington, Virginia high school senior wore pigtails with her cheerleading uniform.

A dewy-skinned Bullock starred in six movies and filmed her breakout role in Speed.

The While You Were Sleeping star smiled in girlish curls and retro-inspired makeup. "How about that barrette and those red lips?" asked makeup artist Pamela Westmore. "This was the beginning!"

She had lavender shadow and dark-lined lips for the Blockbuster Entertainment Awards.

A perfect '90s spin on '60s style: the Hope Floats lead wore frosty white shadow, shimmery lilac lipstick and a playful flip.

"She has thick hair that can go really curly or super-shiny straight," hairstylist Carrie White said of Bullock's sleek style at the Paris Miss Congeniality premiere.

Starring in Divine Secrets of the Ya-Ya Sisterhood, Bullock played up her natural beauty with soft pink makeup.

For the Two Weeks Notice premiere, the actress got theatrical with stylized curls, ultra-long lashes and fuchsia gloss.

"We called this a 'power pony,'" White said of Bullock's BAFTA style. "I love that it emphasizes her chin dimple."

"Pin curls for the Oscars-this was one of my favorites," White told InStyle of the Crash star's coif. "She looked so radiant."

An unfussy updo framed the Miss Congeniality 2: Armed & Fabulous actress's major lashes, flushed cheeks and pink pout.

For the Lake House premiere, Bullock rocked a caramel bob with a deep side part.

Mark Garrison gave the Premonition leading lady "a no-fuss, casual look that can go back in a ponytail."

Bullock paired choppy bangs with loose waves.

The star of The Proposal and The Blind Side chose shimmery silver shadow for the Golden Globes. "I love to play up her eyes with different shades," Westmore has told InStyle.

Bullock showcased her gorgeous brown curls amid the pages of InStyle's March issue.

Bullock sported an undone updo at the Golden Globes.

Hello Oscar! Stylist Adir Abergel gave Bullock's long locks a "bone straight effect" for her big night.

Bullock debuted edgy long bangs at the Golden Globes.

For the Academy Awards, she swept her hair back and let her crimson lips be the focus.

At the premiere of Extremely Loud and Incredibly Close, Bullock's makeup artist Angela Levin used Chanel products to create what she called a "modern, sexy, simple and effortless look." We loved the way her lips were just one shade darker than the standard nude. "I moisturized her lips with a balm and followed with a satiny lipstick. I topped them off with another coat of balm to add moisture but not too much shine." How did she ensure the star stayed smiling throughout the night? "In her evening purse, I surprised her with a sheer finish lipstick for touch-ups."

Bullock played up her beautiful bone structure at the Academy Awards with soft blush, sable shadow and rosy lipstick.

For the People's Choice Awards, Bullock paired loose waves with bold pink lips.

The Gravity actress was effortlessly chic with a messy side-pony at the Golden Globes.

Bullock wore her delicately highlighted hair sleek and straight at the Minions premiere in London. For makeup, she opted for a reserved smoky eye and a dusting of pink on the cheeks.

The star wore her long, straight locks in a deep side part at the People's Choice Awards, keeping her makeup simple with brown eye shadow and a nude lip.