Character mistake: When Billy is telling Diana about Sophie and who she chose, Diana asks if Paddy knew about that and Billy says no. Only problem is that earlier, Paddy told Diana that Sophie picked him, showing that he didn't know the truth, so Diana should've known that already.
Last Vegas (2013)
1 character mistake - chronological order
Directed by: Jon Turteltaub
Starring: Robert De Niro, Morgan Freeman, Michael Douglas, Kevin Kline
Genres: Comedy
Factual error: In the scene where they are heading towards the Aria hotel to check for hotel rooms, they walk past the volcano at the Mirage. They are walking in the opposite direction (away from) the Aria hotel.