Tell-All by Chuck Palahniuk

Satirical Hollywood novel narrated by Hazie Coogan,
longtime caretaker of aging film star Katherine Kenton,
written as a screenplay-style "tell-all" exposing celebrity
culture, fabricated memoirs, and murder plots.

This book’s main concerns are; alcohol, body horror,
drugs, erotica, gore, pervasively vulgar content, prurient
behaviors, self-harm, sexual activities/nudity
(graphic/pornographic-style, frequent), sexual dialogue
(graphic/pornographic-style), suicide, torture, and
violence.