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.