Lamine Yamal has dazzled fans with his performances at the FIFA World Cup 2026, but another member of his family is stealing the spotlight. Three-year-old Keyne, Yamal's younger half-brother, has become a viral sensation with his adorable celebrations, playful reactions and heartwarming moments during Spain's World Cup campaign. From cheering in the stands to celebrating on the pitch with his brother, Keyne has captured the hearts of football fans worldwide. As Spain prepares for its World Cup semi-final, the tournament's cutest fan has become an unexpected star.