Great Big Beautiful Life by Emily Henry

Journalist Alice Scott and Pulitzer-winning biographer Hayden
Anderson compete on a Georgia island to write the life story of
reclusive heiress Margaret Grace Ives, widow of fictional rock star
Cosmo Sinclair. The present-day rivals fall in love while Margaret
unspools a century of family scandal, cult manipulation, media cruelty,
and grief.

This book contains; alcohol, alternate gender or sexual ideologies
(limited), anxiety, controversial cultural, gender, historical and social
commentary, cults (elements), death/grief, deception, depression,
erotica, explicit sexual activities/nudity, misogyny, murder (implied),
non-sexual nudity, parental neglect, profanity, sexism, sexual dialogue,
sexual nudity, smoking, toxic relationships, and violence.