Billie Eilish Pirate Baird O’Connell is an American singer, songwriter, and musician who first gained recognition in 2015 for her debut single, “Ocean Eyes”. Eilish writes and records with her brother and producer, FINNEAS, from their parents’ home. In 2020, she became the youngest artist to win all four major Grammy categories, also known as the “Big Four”. She’s only the second artist in Grammy history to achieve this feat.