The 'Billie Jean' true story is about a woman who claimed that Michael Jackson was the father of her child. However, Jackson maintained his innocence. The song was a way for him to address this false accusation in a creative and powerful way. It became one of his most iconic songs, with its unforgettable bassline and catchy rhythm. The story added to the allure and mystery of the song, making it a global phenomenon.
Since I don't know which 'billie true story' it is, I can't say for sure. But generally, key elements in a person's story could be their achievements, relationships, and challenges they faced.