"I don't think the song was for me. It was quite hard to write to," Doja Cat said of being asked to do a verse for Billie Eilish's "Bellyache" Charmaine Patterson is an Associate Editor at PEOPLE.

Billie Eilish has had a prolific career since the ... characters and stories in the lyrics of her songs and “bellyache” is the perfect example of her creativity. In the 2017 song, she takes ...

Billie Eilish was made for writing hits ... which featured hits like “idontwannabeyouanymore,” “my boy,” and “bellyache.” “We ...