"It shouldn't be embarrassing because I was so young," Stewart told Marie Claire UK of photos that remain from her child-star days. And yet, she says, it is.
Kristen Stewart at the premiere of Panic Room in Los Angeles, California, March 18, 2002. Photo by SGranitz/WireImage.
Three years later, Stewart starts to work with her hair but still keeps her wardrobe choices fairly neutral.
Kristen Stewart at a screening of Fierce People at the Tribeca Film Festival in New York, New York, April 2005. Photo by Evan Agostini/Getty Images.
With the premiere of Into the Wild, Stewart starts to dabble in high fashion — here, with an ultra-feminine Rodarte frock.
Kristen Stewart in Rodarte at the Los Angeles premiere of Into the Wild in Los Angeles, California, September 2007. Photo by Toby Canham/Getty Images.
Newly brunette, Stewart arrives at the VMAs in Derek Lam to present alongside her Twilight cast mates.
Kristen Stewart in Derek Lam at the MTV Video Music Awards in Los Angeles, California, September 2008. Photo by Steve Granitz/WireImage.
Stewart makes a rare foray into color with this bright teal and green Proenza sweater and skirt, showing off a freshly bobbed hair style.
Kristen Stewart in Proenza Schouler at a Twilight Saga: New Moon event in London, England, November 2009. Photo by Eamonn McCormack/WireImage.
Stewart plays up the Hollywood glam look with a red lip and smoky eye at a Cinema Society screening.
Kristen Stewart in Valentino at the Cinema Society's Welcome to the Rileys screening in New York, New York, October 2010. Photo by Getty Images.
Stewart's red carpet looks become more dramatic, and more sophisticated, as she neared the end of her Twilight tenure — often favoring black and dark neutrals.
Kristen Stewart in Roberto Cavalli at the U.K. premiere of Twilight Saga: Breaking Dawn Part 1 in London, England, November 2011. Photo by Getty Images.
Here, the gilt detailing and two-piece silhouette mark a departure from Stewart's previous, more classically inspired looks.
Kristen Stewart in Balmain at the Australian premiere of Snow White and the Huntsman in Sydney, Australia, June 2012. Photo by Getty Images.
In recent years, Stewart has been known to favor menswear-inspired looks, but this 2012 ensemble is one of its first appearances.
Kristen Stewart in Balenciaga at the AFI premiere of On the Road in Hollywood, California, November 2012. Photo by Getty Images.
Prior to her fashionable friendship with Karl Lagerfeld, Stewart briefly favored Lebanese designer Zuhair Murad.
Kristen Stewart in Zuhair Murad at the premiere of Twilight Saga: Breaking Dawn Part 2 in Los Angeles, California, November 2012. Photo by Getty Images.
The jumpsuit makes another appearance, albeit this time with a jewel-toned overhaul.
Kristen Stewart in Stella McCartney at the Costume Institute Gala in New York, New York, May 2013. Photo by Rabani and Solimene Photography/WireImage.
Since signing on as a face of Chanel, Stewart has started to wear Lagerfeld's designs to nearly all her premieres and screenings — and the occasional posh luncheon.
Kristen Stewart in Chanel at the premiere of Equals in Venice, Italy, September 2015. Photo by John Rasimus/Barcroft Media.
Lagerfeld has recruited Stewart for campaigns — and to fill his front row.
Kristen Stewart in Chanel at the Chanel Metiers d'Art Fashion Show in Rom, Italy, December 2015. Photo by Getty Images.
Sometimes, the occasion just calls for "Ladies Who Lunch" — and when that look calls, Lagerfeld delivers.
Kristen Stewart in Chanel at the Film Society of Lincoln Center luncheon in New York, New York, January 2015. Photo by Mike Pont/WireImage.
And even after all these years, Stewart knows how to take it back to where it all started. Her look at this year's Sundance festival nearly echoed her self-professed awkward phase of 15 years prior.
Kristen Stewart at the Sundance Film Festival's Certain Women premiere in Park City, Utah, January 2016. Photo by Getty Images.