Continuity: When Jenna first realizes that she is thirty and she walks down the hallway, there is a pile of magazines on the counter with the mirror. Then in the next shot, the pile of magazines isn't there.

Continuity: Just as Jenna is calling for a cab that happens to be driven by her old man, Chris Grady, she runs in the street and stops. The scene cuts to the cab slamming on its brakes, and then cuts back to her, but with the same cars sitting in the same spots as before she whistled about 2-3 seconds before.

Continuity: After Lucy's meeting about her new "Poise" design, she storms out frustrated, and whacks a box to the floor causing items such as a few bags to scatter on the floor. Between shots the bags move majorly.

Continuity: When Jenna goes to her boyfriends house, they sit on the sofa and then the boyfriend places two glasses on the table. He then puts his right arm around Jenna, and his left arm lays on his leg. Then when it cuts his left arm is laying on a cushion.

Continuity: When Jenna is talking to Matt and his fiancee on the street, they leave, and then Lucy turns and starts to walk off, and she has a cigarette in her right hand which she puts it into her left hand. Then when the shot changes the cigarette is back in her right hand.

Continuity: When Matt and Jenna meet at the park before the photo shoot, Jenna hands Matt the envelope. In the shot facing Jenna she gives him the letter with her left hand, yet in the next shot she hands him the envelope with her right hand.

Continuity: In her apartment, when Jenna walks into the hallway as she hears the musical tone of her cell phone, the position of her white coat differs in the wide shot and close-up and then when she runs out of her apartment as well.

Continuity: In the basement, when Tom-Tom tells Matt that Jenna is in the closet waiting for him, the TV is angled facing towards the stairs. However, when Jenna looks out from the closet to see everyone gone, the TV is facing the closet.

Continuity: When Jenna and Matt are talking in the park about her hiring him to be the Poise photographer, her hair on the left side of her head changes from being in front of her shoulder to behind her shoulder several times.

Continuity: At the first Poise meeting in the movie, Jenna is given a scone or biscuit at first it is raisinless. In the next shot it is full of raisins.

Continuity: When Jenna is having her picture taken at the school when she is telling the photographer her name is Jenna her hair is in front of her ears but when you see the picture her hair is behind her.

Continuity: Outside on the sidewalk, Lucy is giving Jenna a lecture on going into the office for the first time. The same woman in a purple dress walks by 3 times (behind Jenna.)

Continuity: When Jenna gets out of the car to go to her job for the first time, her hair/makeup is a little frazzled. As she and her friend talk outside the building, her hair becomes neater and skin a little darker from one shot to the next.

Revealing: When Jenna and Matt are talking in the park and Jenna asks Matt to take pictures for the magazine. Everything is fine that except a girl in the background walking turns and looks directly at the camera and at both actors.

Continuity: When Jenna first sees herself in the mirror as 30 she falls over the side and then looks over it into the mirror. In a shot facing her, only her left arm is on the side. Then in the next behind shot now both her arms are on the side. When it cuts back to the previous angle only her left arm is on the side again.

Continuity: When Matt and Jenna are in Jenna's apartment, from a back shot Jenna sips her Diet Coke then puts it down, and her hand is still on the can. Then when it cuts to a closeup of Jenna her hand is now on the yearbook.

Continuity: When Jenna goes to talk to Matt before he gets married, Matt's tie changes its position around his neck. It changes in the shots going to and from Matt and Jenna.

Continuity: When Jenna's boss puts the Sparkle magazine cover on the wall next to the Poise cover, they are only about 1/4" apart. This is very clear when he is talking about the numbers (11 vs 10) because they show a close-up shot of the covers. He asks a rhetorical question and Jenna raises her hand; from that point forward, the magazine covers are at least 1 1/2" to 2" apart.

Continuity: When Jenna first turns 30 she is walking down the hall of her apartment with an umbrella. In the first shot the umbrella is latched closed and Jenna unlatches it so that the umbrella can open up. In the very next scene it is back together.