Hollywood heavyweights Brad Pitt and George Clooney have struck box office gold - their new movie Burn After Reading has debuted at the top of the chart.

The Coen Brothers comedy took $19.4 million in its opening weekend, beating another new entry, Tyler Perry's The Family That Preys.

Al Pacino and Robert De Niro collaboration Righteous Kill opened in third, ahead of Meg Ryan's movie The Women.

The House Bunny rounds out the top five.