She is also the on and off girlfriend of Chad Radwell (Glen Powell), the equally self-centered head of the Dickie Dollar Scholars.
She is suspected to have viciously burned her predecessor, Melanie Dorkus (Brianne Howey), after filling her spray tan tank with hydrochloric acid in retribution for her abuse towards her.
Chanel is horrified when it was revealed by Munsch that she has to accept anyone who wishes to join Kappa which allows outcast students to pledge.
She and her minions try to scare the new pledges away with a prank gone wrong when she unintentionally burnt Ms. Bean (Jan Hoag), the housemaid's face.
When Chanel #2 and Tiffany "Deaf Taylor Swift" was killed by the Red Devil, Gigi hired Denise Hemphill to protect Kappa's house.
Later on, she decided to give Hester Ulrich (Lea Michele) a makeover, nicknaming her Chanel #6, but later she became suspicious of her because of her hypocrite and backstabbing personality.
The two were forced to become co-presidents after the votes are tied; Chanel then reveals that she deliberately wanted Zayday to become president to save herself from becoming a target of the Red Devil.
In season two, it is revealed that Chanel, #3, and #5 managed to leave the asylum after Hester confessed to her crimes and graduated from community college with a communications degree.
Chanel gets to meet her idol, Dr. Scarlett Lovin (Brooke Shields) whom she substitutes during her live show due to her untimely death.
After she starred as Madison Montgomery in the third season of Ryan Murphy's American Horror Story, he was interested to cast her in another "bitchy" role.
While being violent and a bully, Chanel at least isn't fake, regularly displaying her nastiness to anyone, regardless of rank or position, and she torments everyone in the sorority, including (and especially) her own minions'.
IGN stated, "Two Murphy alums, Emma Roberts and Lea Michele, continued to prove that they're great at delivering his dialogue.
"[3] The Hollywood Reporter said, of Roberts' performance, "The Scream Queens creators revel in writing mean girls, and Roberts gives gung-ho commitment to spewing the worst of Chanel's eviscerating insults—Chanel's a solipsist, so we're not supposed to quibble at how floridly racist and misogynistic she sounds—while pausing to give just enough beats of underlying humanity."