"Any time someone leaves or has a birthday on the show I dress up as the chicken and come out to music and violate them. That's been a tradition for the past couple (of) months. I own my own chicken suit... So, for my birthday, they one-upped me and about five or six crew members dressed in chicken suits and did, like, choreography and this whole to do." Actress Christina Applegate has turned the set of her new TV comedy Up All Night into a chicken dance disco.