If none of the above match, the "Part 2" you are looking for might be a fan-made upload or a specific segment of a larger series like Pretty Little Liars (which features a character named Emily and a prominent diary plotline in Season 4, Episode 22 ).
If you are looking for specific content under this name, it most likely refers to one of the following: Social Media Series : Many creators use titles like Emily's Diary emilys diary episode 22 part 2 link