Dear Diary (1989) is a Horror, Comedy, Mystery film that follows two teen stories in one movie. "Dear Partyline" tells the story of Badong who falls in love with a girl in a Coke commercial who happens to be the other half of their telephone party line. "Dear Killer" tells the story of Lenny and the mysterious disappearance of a girl who was considered the school's best Soprano singer. Dear Diary is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.5 out of 10 from 2 votes. Fans of horror movies may also want to explore similar titles below.