Continuity mistake: In the final scene when Velma and Roxie are performing, there is lipstick on Roxie's teeth. In the next shot it has disappeared. (01:41:35)
Continuity mistake: When Velma is dancing and singing for Roxie after making her the offer to replace her sister, during the first half she has an obvious run in her right stocking and a hole about the size of a quarter over her knee. When she tells Roxie the second half is better and finishes her number, the run has disappeared.
Continuity mistake: At the very start of the Nowadays/Hot Honey Rag Medley Title song, where both Velma and Roxie are facing away from the audience, Velma's arm changes position between shots, from being at her side, to on her hip, and back to her side again.
Continuity mistake: In the scene near the end where Roxy is auditioning she gets off the stage and there is a cleaner in the background sweeping. In the next shot the cleaner is right back where he started.
Continuity mistake: After Roxie shoots Fred Casely, a photographer takes a picture of the body and in the flash from the camera, you can see Fred's eyes are closed and his head is facing straight up. After Roxie's 'Funny Honey' number, the attorney interrogates her and uncovers the body for a neighbor to identify it. When he does this, you can see that Fred's eyes are open and his head is tilted to the side. (02:10:24)
Continuity mistake: During the Cell Block Tango, 'Pop' dances with her partner while she sings. When she says "not chewing, popping!", she turns her head sharply and some of her hair lands on her partners hat. When she says, "You pop that gum," she moves and the hair falls off, but in the close up, it is on his hat again in the same position. (00:24:15)Jennifer 1
Continuity mistake: Just before Kitty Baxter shoots the 2nd woman sleeping with her husband, she gets a 2-handed grip on the gun. But in the next shot, she is holding the gun 1-handed and once again gets a 2-handed grip.
Continuity mistake: Near the end of the movie, after Roxie's audition, Velma is pitching her act again when Roxie puts on her coat and buttons it. The camera cuts back to Velma for a minute, then when it cuts back to Roxie her coat is unbuttoned, then seconds later she is walking through a door and her coat is buttoned again.
Continuity mistake: In the scene in which Roxie shoots her lover, he looks into her mirror whilst putting on his tie. He ties it, then puts down his collar. He turns away from the mirror and there's a shot of his back. His collar is up again. (00:09:15)
Continuity mistake: In the final dance scene with Velma at the Chicago Theater, Roxie's shoes change between the early shots and later ones.
Continuity mistake: In Roxie's first press conference, in certain shots you can see a bit of misting. In others you don't. This suggests that the scene was shot over several days or at different times of the day.
Continuity mistake: When Velma approaches Roxie with some chocolates, she offers her one. Her fingers are under the box, and her thumb on the top, but when the camera changes angle to face Roxie, Velma's thumb is on the side of the box. When the camera goes back to focus on Velma, her thumb is back on the top.