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Tiffany Blaine Davenport is a CCP (Cute, Cool, & Popular) girl who attends the prestigious school North Hampton Hills International Academy.
When Nikki came to NHH for Student Exchange Week, Tiffany was her student ambassador. She kindly greeted her and introduced her best friends, Haley and Ava, to Nikki.
Tiffany is self-centered, entitled, manipulative girl, much like her counterpart, MacKenzie Hollister. She is constantly taking selfies of herself, commenting on how fabulous and pretty she is. Later on, in the 12th book, Tales From A Not-So Secret Crush Catastrophe, it was revealed that Mrs. Davenport figured out Tiffany cyberbullies people and forced her to do community service in the summer (which is a common punishment for her), which Tiffany hates.
Tiffany has long hair that is put up into a half-ponytail and curled at the ends. She also has bangs. Her hair is dark auburn, and her eye color is currently unknown. Nikki states that she could have passed for MacKenzie’s darker haired sister.
Although students are required to wear uniforms at North Hampton Hills, Tiffany's appearence is unique, she is illustrated wearing expensive heels and complex up-dos. It is assumed that she wears designer clothing outside of school, similar to MacKenzie.
Tiffany has a step-brother named Andre (book 12). Since Andre is her step-brother, her parents should be divorced. Nikki was a student-ambassador and brought Andre around as an exchange student, leading her and Mackenzie to sabotage their friendship between André, Nikki, and Brandon
No pet(s) of Tiffany's was mentioned in book eleven nor the twelfth.
The only girls who socialize with Tiffany are Ava and Haley. All three enjoy tormenting their peers and do not only limit to girls, like MacKenzie. They are seen physically hurting a boy by running into him and tease the "nerds" at the school. It is possible that Ava and Haley are fake friends of Tiffany, just like Jessica was to MacKenzie.
Tiffany does not reveal a crush or looks to have feelings for anyone yet.
- Tiffany has appeared in Dork Diaries: Tales from a Not-So-Friendly Frenemy.and Dork Diaries: Tales from a Not-So-Secret Crush Catastrophe
- It is revealed that her parents are extremely wealthy due to the fact that her step-brother has a butler