The 43-year-old actress returned to the US gambling capital in the Nevada desert to film the third instalment of 'The Hangover', but finds it too superficial for her taste.
Heather Graham thinks women ''struggle'' in Hollywood.
The 'Hangover' actress believes the film industry is still as difficult for females now as it was when it first began and is ''shocked'' by the ratio of men to women in front of and behind the camera.