Billie Eilish and Charli xcx together on stage Charli xcx shared a recording of the joint performance on X, writing: "love you, Billie and happy birthday!" It's not the first time Billie Eilish ...

In honor of Billie Eilish’s 23rd birthday, Dec. 18, look back at some of the most fascinating facts about the “bad guy” singer’s life—from her breakout album to Oscars history.

Happy birthday, Billie Eilish! The pop prodigy and Bad Guy singer turns 18 today. The artist, whose full name is Billie Eilish Pirate Baird O'Connell, was born on December 18, 2001, in Los ...