“Pirate Baird O’Connell” also known as ” Billie Eilish” is an American singer-songwriter ,Born and raised in Los Angeles, Eilish grew up in a household of actors and musicians, and was homeschooled along with her brother Finneas O’Connell (the Slightlys). At the age of eight, she joined the Los Angeles Children’s Choir, developing the soulful vocals that would later appear on her early singles.. She first gained public attention in 2015 with her debut single “Ocean Eyes”, written and produced by her brother Finneas O’Connell, with whom she collaborates on music and live shows. She is the first person born in the 21st century to win an Academy Award , the youngest ever two-time Oscar winner and also a nine-time’s grammy winner . Billie Eilish’s songs primarily focus on themes of mental health, identity, relationships, and often explore darker, introspective topics like depression, anxiety, and heartbreak; with many lyrics drawing from her personal experiences and emotions, often presented in a moody and atmospheric style.