Must-listen: Billie Eilish's new song 'Lost Cause'.

With Billie Eilish's highly anticipated 'Happier Than Ever' album out at the end of next month, she's shared new song 'Lost Cause' today, which she has described as one of her favourites and says about the accompanying video she directed: "We had the time of our lives being hot & shooting this heeheeeeeehee🤗🤗🤗🤗 ENJOY LOL."

Watch the 'Lost Cause' music video below...