Continuity mistake: During the party scene when Ryan and Sasha are arguing, a lady in the background is wearing white heels and then is wearing tennis shoes. (00:40:20)
Continuity mistake: During the party scene, many people's shoes change from heels to slippers/sandals.
Continuity mistake: During the scenes when they are in the streets celebrating, a woman walks up with 3 drinks, then offers them to each of the girls, emptying her hands of all drinks. When the scene continues as she's walking away from them, she still has four drinks in her hands. (00:21:05)