Iron Man has held off rival in the North American box office chart, remaining at number one for a second weekend.
The action film, starring Robert Downey Jr, beat new entry Speed Racer with takings of $50.5m, compared to $100m in its opening weekend.
Comic caper What Happens In Vegas, starring Cameron Diaz and Ashton Kutcher, made its debut at three.
While romantic comedy Made of Honour took in $7.6m with Baby Mama rounding off the top five with $5.8m
