Spanish singer Amaia Montero surprised fans by joining Karol G on stage at the Santiago Bernabéu Stadium in Madrid to perform 'Rosas,' a hit from her La Oreja de Van Gogh days. Montero, known for her privacy, expressed gratitude for the warm reception, hinting at a potential comeback. Despite speculations, La Oreja de Van Gogh's Pablo Benegas denied rumors of her return due to different musical directions. Karol G's Mañana Será Bonito World Tour featured surprise performances, with the Madrid show marking a nostalgic moment for 60,000 fans. The tour's conclusion, set to be livestreamed, will wrap up Karol G's successful musical journey with emotional reflections on social media.