She lives with her mother Bonnie Plunkett (Allison Janney), who is also a recovering drug and alcohol addict, as well as her teenage daughter Violet (Sadie Calvano), who was born when Christy was 16.

Other prominent characters in the series include the manager of Rustic Fig, Gabriel (Nate Corddry) and the head chef, Rudy (French Stewart).

Mimi Kennedy who plays the wise Marjorie, Christy and Bonnie's friend and co-Alcoholics Anonymous member, was upgraded to series regular status for this season.

First appearance of: Jaime Pressly as Jill Absent: Matt Jones as Baxter The family becomes essentially homeless, after an incident in the motel room two doors down drives them out.

Absent: Nate Corddry as Gabriel and French Stewart as Chef Rudy Christy worries when Violet's behaviour starts mirroring her own from her drinking days.

Special guest star: Spencer Daniels as Luke Absent: Nate Corddry as Gabriel, French Stewart as Chef Rudy and Mimi Kennedy as Marjorie Christy's evening alone takes an unexpected turn when she meets her attractive, single neighbor, Andy (Colin Hanks) who seems perfect until he reveals a really weird personal quirk.

Absent: Nate Corddry as Gabriel, Matt Jones as Baxter, French Stewart as Chef Rudy and Blake Garrett Rosenthal as Roscoe After realizing she's been a waitress longer than she planned, Christy takes steps towards a new career.

Absent: Nate Corddry as Gabriel, Matt Jones as Baxter, French Stewart as Chef Rudy and Mimi Kennedy as Marjorie When Christy suddenly gets promoted to manager of the restaurant, she discovers that being the boss comes with its own set of problems.

Absent: Matt Jones as Baxter and Mimi Kennedy as Marjorie After hiding from Claudia in a suitcase in Gabriel's motel room, Christy discovers that she enjoys sex most when there's a risk of getting caught.

Absent: Sadie Calvano as Violet, Nate Corddry as Gabriel, Matt Jones as Baxter, French Stewart as Chef Rudy and Blake Garret Rosenthal as Roscoe Note: Allison Janney won an Emmy Award for Outstanding Supporting Actress in a Comedy Series for this episode.

Absent: Sadie Calvano as Violet, Nate Corddry as Gabriel, Matt Jones as Baxter and French Stewart as Chef Rudy After Bonnie's relapse, the women from her meeting rally around to help her through withdrawal and get sober again, but a still-furious Christy wants no part of it and lashes out at her mom until she gains some perspective on things.