Charli XCX's association with Y/Project has generated $116,000 in Media Impact Value in 2024, highlighting her promotional impact through engagement with the brand.

Charli XCX wore a custom Ann Demeulemeester ensemble designed by Stefano Gallici to the Met Gala in May 2025, reflecting her personal style and the brand's androgynous aesthetic. She expressed her admiration, stating, 'I have always been a huge fan of Ann Demeulemeester—the house has always spoken to me and felt intrinsically related to my personal style.'

Charli XCX collaborated with Carolina Herrera to digitize look 45 from their spring 2022 collection. This partnership showcased the intersection of fashion and digital innovation, with Charli XCX and Kim Petras modeling the new virtual designs.

Charli XCX has driven $382,000 in Media Impact Value for Balenciaga in 2024, showcasing her significant influence and promotional impact through her engagement with the brand.

Charli XCX teamed up with Depop to launch a curated shop featuring over 50 items from her personal wardrobe. 100 percent of the proceeds will be donated to GLITS, supporting the global LGBTQ+ community.

Charli XCX collaborated with Boohoo in October 2015 to design a clothing collection inspired by 1990s fashion. She actively participated in the design process, drawing sketches and ensuring her ideas were represented throughout the development of the line.

Charli XCX has driven $257,000 in Media Impact Value for Givenchy in 2024 through her promotional engagement with the brand.