Rosé became a global ambassador for Tiffany & Co. in 2021 and has significantly impacted the brand's revenue, including driving $36.4 million at the ‘Vision & Virtuosity’ exhibition. In September 2023, to celebrate their collaboration, the brand introduced the Tiffany Lock Rosé Edition, which sold $30,300 worth of products shortly after its release.

Rosé joined SKIMS for the brand's Valentine’s Day campaign, following artists like Sabrina Carpenter and Lana Del Rey. The campaign generated $13.7 million in earned media value, showcasing impactful visibility for the brand.

Rosé wore a plunging black suit with a dramatic train from Saint Laurent at the 2025 Met Gala, reflecting the theme 'Superfine: Tailoring Black Style.'

Rosé is a global ambassador for Puma, participating in various campaigns and promotions for the brand.