No business like showbusiness

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Media captionBest actress Helen Mirren with her Laurence Olivier Award alongside Luke Treadaway, who won the male equivalent

Dame Helen Mirren has been crowned best actress at this year's Laurence Olivier Awards for her role as the Queen in The Audience.

The night saw The Curious Incident of the Dog in the Night-Time receive the most honours with seven prizes.

The haul, which equals musical hit Matilda's record last year, includes best play and best actor for Luke Treadaway - who plays a 15-year-old aspiring detective with Asperger syndrome.

Will Gompertz reports.