Nicole Richie, 2003
Back in The Simple Life days, the pop-culture princess's style was much more Cali-girl casual, with lots of mini denim skirts and halter dresses with draped necklines.
Nicole Richie, 2017
As Nicole has matured, her style has gotten more refined. Still, her fashion perspective is still authentic to her boho-glam self.
Victoria Beckham, 2003
Posh's love for designer brands never waned. Though her ensembles were more body-con back in the day, she still had an appreciation for quality fashion.
Victoria Beckham, 2017
These days, as a respected fashion designer, she can now wear herself—oversize jackets and PJ-inspired, wide-leg trousers and all.
Celine Dion, 1995
The My Heart Will Go On singer always had a classic (and kind of conservative) take on fashion.
Celine Dion, 2017
Now, with stylist Law Roach, the icon is more willing to push the style boundaries.
Miley Cyrus, 2013
The former Disney star's "Wrecking Ball" stage stirred up a lot of mixed emotions in the fashion world. Bedazzled leotards with bears on them? Miley rocked them with confidence.
Miley Cyrus, 2017
Living in Malibu seemed to influence the singer's style preferences, as she went from nipple pasties and latex bodysuits to boho sun dresses and '50s-inspired get-ups.
Gabrielle Union, 2003
Causal, simple and cute.
Gabrielle Union, 2017
Now with Dwayne Wade by her style, the couple is a fashion force to be reckoned with. Gabby is especially great at mastering the mixture of textures and prints.
Kim Kardashian, 2006
When Kim first broke into the spotlight, her hair had its own personality. We could also catch her in bright hues.
Kim Kardashian, 2017
Since the Keeping Up With the Kardashian star has been with Kanye West, she seemingly likes to stick to neutrals and metallics. And there's never a hair out of its super-straight place.
Beyoncé, 2000
Bey had more girly style sensibilities in her Destiny's Child days.
Beyoncé, 2017
She still oozes femininity...but now in an ultra-luxe, edgier way.
Harry Styles, 2012
The boy band member was cute as a button in his skinny jeans and tees.
Harry Styles 2017
Now solo, the Dunkirk actor definitely opts for more statement-making apparel, like floral suits and flared pants.
Lady Gaga, 2013
With every appearance, Mother Monster was expected to make a style statement, whether that entailed wearing a meat dress, holding an abstract umbrella or walking around in fashionable art.
Lady Gaga, 2017
With the release of Joanne, Gaga took a much more subtle, streamlined and sophisticated approach to fashion.
Meghan Markle, 2012
Pre-royal engagement, the Suits actress wore flattering silhouettes and stayed on-trend at red carpet events.
Meghan Markle, 2017
Post-royal engagement, Meghan's style has leaned more conservative. That said, every piece is tailored to perfection and sells out almost immediately.