Billie Eilish gets personal in the newest trailer for her documentary, ‘Billie Eilish: The World’s a Little Blurry. The preview features many intimate moments captured during the 19-year-old singer’s rise to stardom. The GRAMMY-winner is seen collaborating with her brother, Finneas, for her debut album, and opening up about her mental health struggles. The movie will be released in theaters and on Apple TV+ on Feb. 26.