Rosalía and Billie Eilish Have a Collaboration on the Way

Rosalía tweeted out a photo of herself and Billie Eilish together, confirming that she and the 17-year-old popstar are collaborating on a song. "Can't wait to finish our song," Rosalía tweeted. "Seeing you perform inspired me sooo much." Eilish performed in Barcelona for the first time over the weekend, she previously told BBC's Annie Mac about her collaboration with the 25-year-old Catalan singer, describing Rosalía as someone "who actually knows what she wants." She added that Rosalía "san...