Hilary Duff's 2026 "Lucky Me Tour" has triggered a revival of Y2K fashion among fans, with butterfly hair clips emerging as the standout accessory of the concert crowds. The trend nods to Duff's own early-2000s image, when butterflies became closely associated with her transition from Disney Channel star to pop artist during her "Metamorphosis" era, and it now forms part of a broader nostalgic aesthetic at her shows alongside baby tees, glittery make-up and throwback denim.

Concertgoers have embraced the look with colourful claw clips, while Duff herself has leaned into the theme with statement stage outfits, including a butterfly-inspired chainmail dress. The renewed demand has prompted retailers to highlight butterfly clip sets from brands such as Jasverlin, Scunci and Ettika, with prices ranging from around $5 for a multipack to $55 for a gold-tone designer version.