Answer: Simulated journal
Explanation: Having learnt or read about a person or celebrity, one may decide to imitate or emulate some of the individual's ideology or behavior. In the scenario above, Caroline decided to imitate and take after Serena's perceptions and ideas. Putting a viewpoint synonymous with that of such individual into writing after having read about them is called a simulated journal, a writing which is intended to follow in the footsteps or ideology of a certain individual which one decides to pretend to be.
