Stefani rocked her signature, envy-inducing abs here at the beach where No Doubt performed at the Clean & Sober Beach Party 22 years ago.
Stefani brought the traditional Hindu adornment to the masses when she sported one in No Doubt's music video for "Just a Girl."
Still sporting the Bindi, Stefani exhibited the dark, gothic trend far before the Twilight phase at the 24th Annual American Music Awards.
Before model Charlotte Free, Stefani popularized the hot-pink hair trend. Later that year, she paired the florescent hue with a set of "statement" braces.
Who could forget Stefani at the 2000 VH1 Awards, where she exemplified sailor chic before, during and, as seen here, after her performance.
After years of experimenting with her cut and color, No Doubt's front woman opted for classic, super-glam finger waves at the VH1 Fashion Awards.
Between the years 2001 and 2003, Stefani was having a major pants and crop top moment. Her ensemble for her performance at the Super Bowl XXVII was the perfect combination of sporty style and glittery glam.
For the debut of her solo album Love. Angel. Music. Baby., Stefani topped off her Harajuku duds with a magenta lip and little-girl curls.
They say there's nothing to make a woman glow like pregnancy, and this couldn't be more true looking at Stefani — pregnant with first son, Kingston — in 2006 at the 48th Annual GRAMMY Awards.
The songstress rocked a full-fringed '70s-inspired wig on the red carpet at the American Music Awards.
It's rarely black and white for this megastar, with the exception of this look heading straight to rehearsal for the 8th NRJ Music Awards.
Defined brows, a sultry cat eye, and a pompadour hair roll added '50s-rockabilly flair to a pair of high-waisted pants and crisp white button-down.
Major, major glam is exemplified at the 2007 Vanity Fair Oscar Party, as Stefani arrived alongside hubby Gavin Rossdale.
The beauty chameleon kept cool (as usual) with a twisted topknot and ultra-nude lipstick at a concert in Singapore.
Always the queen of pattern-mixing, Stefani strutted her stuff down her L.A.M.B. runway after its Spring 2011 show. We still can't stop thinking about that blazer!
Stefani's don't-leave-home-without-'em red lips and signature platinum locks glammed up her badass leather ensemble at the Teen Choice Awards.