Rosalía and Alejandro, who is also a musician, began dating in 2019 after DMing each other on Instagram, per Billboard. They met in person for the first time in Las Vegas during the 2019 Latin Grammys and wound up collaborating on music before going public with their relationship. On Sept. 24, 2021, they confirmed their romance when Rosalía posted a TikTok featuring Alejandro. They went Instagram official the following day and made their red carpet debut on Nov. 12, 2021.
They continued to share affectionate moments with the world over the course of her relationship, and in spring 2023, they dropped a joint EP called "RR." Rosalía also showed off an engagement ring in the video for the song "Beso." However, on July 26, People reported that the pair had broken up after over three years together. Sources told the outlet that the breakup was mutual and amicable.