Fresh 22+ Amber Heard Rum Diary Age. Amber heard was workin' it at last night's european premiere of rum diary. Is 'the rum diary' based on a book? She filed a divorce 15 months after they wed citing 'irreconcilable differences.' After her breakthrough in pineapple express, the texan went on to star in alternative slasher all the boys love mandy the stepfather, exterminators, zombieland and the joneses all followed before she was cast opposite johnny depp in the rum diary.