Romantic comedy Why Did I Get Married? has topped the US box office, with takings of $21.5M. It pushed Disney comedy Game Plan into second place, and took more than George Clooney and Cate Blanchett's latests films combined. Clooney's legal drama Michael Clayton climbed 19 places to three, tying with Joaquin Phoenix's We Own The Night. Blanchett's Elizabeth: The Golden Age was at six with a disappointing $6.2m.