In songs and music videos, Megan The Stallion is authoritative, audacious, unbothered, self-possessed to the point of arrogance. But this larger-than-life persona masks a deep well of trauma: For the past few years, the rapper, born Megan Pete, has struggled with grief, PTSD, depression, and suicidal thoughts. This fraught duality is the driving force behind Nneka Onuorah’s new documentary, Megan: In Her Words, which premieres on Oct.