Hilary Duff (Cheaper by the Dozen) will guest star on an upcoming episode of the NBC comedy series Community (Thursday's at 8:00p.m. ET/PT). In the episode, Duff will play a "mean girl" who's part of a clique that goes head-to-head with Greendale's loveable gang. Duff, most well known for her role on the television series Lizzie McGuire, has also appeared in several feature films including Cheaper by the Dozen, The Lizzie McGuire Movie and A Cinderella Story.

Season two of Community kicked off with a guest appearance by the legendary Betty White (The Golden Girls). The six-time Emmy-Award winner and cultural icon played professor June Bauer, an esteemed, but slightly unhinged anthropology professor. This season will also feature guest appearances by Drew Carey, as Jeff Winger's former boss at the law firm, Rob Corddry, as Jeff's former colleague, and The Daily Show's John Oliver, reprising his role as Professor Duncan. We will also learn more about the characters' lives this season - seeing them in their home environments from time to time, and in addition, the study group gains a new member as the former Spanish professor Señor Chang decides to enroll as a full time student so that he can join the group.

Created by Dan Harmon (The Sarah Silverman Program), Community is a smart comedy series about a band of misfits who attend Greendale Community College. The series stars (Joel McHale, The Soup), Chevy Chase (Chuck), Gillian Jacobs (The Book of Daniel), Yvette Nicole Brown (Rules of Engagement), Danny Pudi (Greek), Alison Brie (Mad Men), Donald Glover (30 Rock) and Ken Jeong (The Hangover). Community is a Krasnoff Foster Entertainment, Harmonious Claptrap, Russo Brothers production, Universal Media Studios production in association with Sony Pictures Television. Harmon serves as an executive producer along with Russ Krasnoff (The Soloist), Joe Russo and Anthony Russo (Arrested Development), Garrett Donovan (Scrubs), Neil Goldman (Scrubs) and Gary Foster (The Soloist).