Beyoncé's special anniversary edition of her album "B'Day" includes a collaboration with Selena, featuring a mashup of their songs. The collaboration received approval from Selena's estate, despite some fans' cynicism. Beyoncé's history with Spanish-language music and her admiration for Selena are highlighted, showcasing a personal connection to the culture. The blending of their voices in the remix celebrates both artists' legacies and cultural backgrounds, creating a meaningful tribute to two iconic women.