Dame Helen Mirren quipped that the Queen "won a BAFTA this year and now she's got an Olivier" as she accepted the Best Actress award for her role in The Audience.
The Curious Incident of the Dog in the Night-Time has won the Olivier Award for Best New Play:
Watch highlights from the Olivier Awards, hosted by Hugh Bonneville and Sheridan Smith, on ITV at 10:15pm tonight.
Michael Ball and Imelda Staunton have won Olivier Awards for their performances in the musical Sweeney Todd.
Ball picked up the gong for Best Actor In A Musical while Staunton took the award for Best Actress In A Musical:
Sweeney Todd has won the Olivier Award for Best Musical Revival:
Dame Helen Mirren and Luke Treadaway celebrate their Olivier Award wins for Best Actress and Best Actor.
Luke Treadaway has won the Olivier Award for Best Actor for his role in The Curious Incident of the Dog in the Night-Time.
Treadaway, who said he was "speechless", pipped James McAvoy, Rupert Everett, Rafe Spall and Mark Rylance to the award:
Dame Helen Mirren has won the Olivier Award for Best Actress for her performance as the Queen in The Audience:
"The Queen won a BAFTA this year and now she's got an Olivier, I think she's going to be thrilled" Helen Mirren jokes on stage #oliviers
Dame Helen Mirren and Billie Piper are going head-to-head at tonight's Olivier Awards which recognise some of the biggest stars of the stage.
Dame Helen is up for Best Actress for her role as the Queen in The Audience, which has garnered five nominations.
X-Men star James McAvoy, who has earned rave reviews for his role in Macbeth, goes up against Rafe Spall for Constellations and Rupert Everett for The Judas Kiss for the Best Actor award.
The Curious Incident Of The Dog In The Night-Time, based on the best-selling novel about a boy with Asperger's syndrome, leads the way with eight nominations, including Best Actor, New Play and Director.
The stars of stage and screen have taken to the red carpet for this evening's Oliver Awards, which will be hosted by Hugh Bonneville and Sheridan Smith.