Sigourney Jennings

Sigourney Jennings is Ellen's younger sister. She's portrayed by Cynthia Watros.

Personality
Sigourney is Ellen's very competitive younger sister. She is very vain and tends to be snarky towards Ellen, she's hyper critical, insensitive, and has this "better than you" attitude. She mentioned she mocked a pregnant lady who started crying.

However, it turns out, she envy Ellen's life because she has a family. She pretended she threw her back out to be her family, she even broke down crying, implying she was faking.

Trivia

 * She's the second member to be introduced. Followed by Nora James.
 * According to Stan, she's hyper critical, insensitive, and "better than you", and that from reading her online dating profile.