Katy's breakthrough came with in the peak of Y2K

She often wore high-waisted shorts, polka dots, and vintage pin-up style that matched the playful, rebellious vibe of "I Kissed a Girl."

Katy in her country-girl era. Yay or Nay?

Katy Perry in her 'One of the Boys' era

You could see her red carpet style evolving around her California Girls era

Katy started experimenting with more outlandish red-carpet looks, donning colorful wigs, bold prints, and unconventional silhouettes to keep her image playful yet unpredictable.

With her Prism album, Katy leaned into darker themes, swapping her candy-pop colours for a more mature, mystical look with darker hair and edgy outfits

She began to favour more glamorous and refined gowns for award shows, including sequined dresses and fitted silhouettes, hinting at a sophisticated side of her personality.

Always one to embrace camp, Katy showed up at the Met Gala dressed in outfits that were over-the-top and fashion-forward, embodying the playful and ironic side of high fashion.

During her stint as a judge on American Idol, Katy leaned into sleek, modern looks with fitted jumpsuits, metallics, and monochromatic outfits, showcasing her evolution into a more polished figure.

Katy took her red carpet looks up a notch with avant-garde and sculptural outfits, embracing futuristic elements and statement pieces that made her stand out.

She returned to a playful style inspired by the 1970s with fun patterns, bold colors, and bohemian elements, mixing nostalgia with her own twist.

Katy’s current style strikes a balance between her playful roots and a more mature, glamorous aesthetic with classic, elegant dresses paired with unique, bold accessories.