Continuity mistake: When Louise calls Carrie from the bridal salon, her little sister is visible in the mirror's reflection as she holds Louise's Louis Vuitton bag on her lap. In the reflection the back of the Louis Vuitton bag faces out, but in the sister's close-up the bag's distinctive front faces out, then in the next shot it's the back again. (02:09:30)
Continuity mistake: In the final scene, Carrie drinks her cocktail and there's a shot of Sam from behind, with her glass on the table, hand away from it. Half a second later she is holding the glass and lowering it to put it on the table. (02:10:57)
Continuity mistake: When Carrie is feeling depressed in Mexico and is being fed food in bed by Samantha, there is a tea pot on the tray on the bed. The scene changes back and forth between Samantha and Carrie and each time it changes, the style of the tea pot completely changes. When it's a shot of Samantha, it's a regular tea pot with a lid, and when it's a shot of Carrie, it changes to an art deco style pot with no lid whatsoever.
Continuity mistake: When the girls are at the restaurant in Mexico and the waiter brings over the drinks, he first hands Charlotte the bottled water and then hands Samantha the drink. The camera pans back to the waiter holding the drinks and the bottle of water is still there along with 2 other drinks.
Continuity mistake: When Samantha is lying on the table covered in sushi and the phone rings, she moves and the piece of sushi on her shoulder falls down. There is a visible piece of double sided stick tape there to hold the sushi in place. In the scene time elapses, but it is understood Samantha never leaves the table and remains covered in sushi. When the shot returns to her close up, the piece of tape has been removed from her shoulder.
Continuity mistake: When Carrie is talking to Miranda on her bed she has a Sharpie pen attached to her sundress strap, in another shot it is gone, then in the next shot the Sharpie is back.
Continuity mistake: When Carrie leaves Charlotte's apartment the day of her wedding, she is wearing a plain pair of off-white stilettos. When Carrie gets out of the limo and is approaching Big with her bouquet in her hand, she is wearing a pair of gladiator type heels.
Continuity mistake: At the Italian restaurant, Brady's fork is on the plate of spaghetti in shots facing Steve, but in shots facing Brady he's holding his fork.
Continuity mistake: When the four ladies are sitting around after Charlotte's baby shower, the camera moves from Carrie to Samantha several times. The cake on Carrie's plate goes from almost finished to a complete slice between the two shots.
Continuity mistake: In the extended scenes of the movie when the four girls are trying on Carrie's clothes from the eighties, they are sitting on the bed together watching Lily coming out of the bathroom draped in numerous handbags. They have all changed back into their normal clothes, but when Lily continues to walk closer to the girls, the angle changes and the four girls are back in Carrie's outfits again, dancing around in the bedroom.
Continuity mistake: Whene Louise leaves to get married she puts the brown envelopes in the left drawer/cupboard, furthest from the TV. When she goes to look for them in a later scene they are in the left drawer/cupboard, nearest the TV.
Continuity mistake: After Carrie hits Big with the bouquet, the amount of petals on the floor changes between shots.
Continuity mistake: When Carrie and Louis are together at the bar, Carrie's drink changes between shots.
Continuity mistake: When Sam throws the sushi at Smith, the splatter on the fridge changes between shots, even when no food is being thrown.
Continuity mistake: When Carrie receives the Valentines card, the envelope's seal flap is extended or not depending on the shot.
Continuity mistake: Carrie receives a Valentines card and turns it around. Depending on the shot she's either holding it from the lower part or from the side.
Continuity mistake: During the job interview, Carrie asks Louise the last question. She stretches her hands and crosses her fingers. From the opposite angle her right hand is extended, but the left one is under the table.
Continuity mistake: When Lily asks Carrie to read her Cinderella again Carrie opens the book. From the opposite angle it's closed and she's opening it again. From the next angle it's closed again.
Continuity mistake: When Carrie sees Charlotte's baby, her arm is bare and over Charlotte's arm. From the opposite angle it's hidden inside her pajamas.
Continuity mistake: When Carrie takes the first bite at her sandwich, she holds it perpendicular. Also, there's a bit of bread and egg standing out. A shot later, the bit is gone and the sandwich is parallel.