Billie Eilish is all grown up! The newly 18-year-old singer celebrated her adulthood birthday on Wednesday, December 18th. She was joined by brother and songwriter Finneas O'Connell in a touching video posted to Instagram. She posted the montage on her account the night prior to her big day. The video starts with young Billie saying to the camera "Hi, my name is Billie, and I'm going to play a song that I made up on this guitar."
The montage went on to include videos of Billie on her sold-out world tours, home videos with brother Finneas, and several clips of her playing various instruments. Her debut album, "When We All Fall Asleep, Where Do We Go?" received widespread acclaim and success. She featured songs like "Bad Guy," "Bury a Friend," "All the Good Girls Go to Hell," and "You Should See Me In a Crown."
Friends, family, and other famous faces reached out to Billie online to wish her a happy birthday. The list included Ellen Degeneres, Zoe Donahue, Matty Peacock, and SOHH. Billie received many more well-wishes from her fans, of which there are a lot! Happy Birthday Billie!