Sadie is Jenna's nemesis. She is super popular, super mean, which is why Jenna believes that she is super insecure. She also likes Matty.

Sadie Saxton Quotes

Sadie: Sergio, I didn’t mean to be such a bitch.
Sergio: Oh bullshit, you’re a finely tuned bitch machine, sedita.

Ricky: That was-
Sadie: amazing. Yeah, I know, you're welcome.