Reformed bad boy Russell Brand reads letters from prisoners with Hollywood heartthrob Benedict Cumberbatch after welcoming his first child 

He welcomed his first child with with fiancée Laura Gallacher last month.

And Russell Brand was putting in an appearance at Her Majesty’s Prison in Brixton, London on Wednesday evening, joined by a host of famous faces.

The reformed bad boy - who has ditched his womanising past for family life - took part in a Letters Live broadcast to 110 prisons across England and Wales, supporting the 10th anniversary of the Prison Radio Association.

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Star-studded affair: Russell Brand was putting in an appearance at Her Majesty’s Prison in Brixton, London for a special Letters Live broadcast on Wednesday evening, joined by a host of famous faces

Russell had the crowd in stitches as he read the letter of complaint penned in 1932 by comedian Fred Allen to the State of New York Insurance Department.

The 41-year-old was in his element, drawing upon his comedic talents for the dramatic reading.

Also taking part in the event were Benedict Cumberbatch, Olivia Colman, Mark Strong and Mariella Frostrup.

Good cause: Benedict Cumberbatch also took part in a Letters Live broadcast to 110 prisons across England and Wales, supporting the 10th anniversary of the Prison Radio Association

Dramatic reading: The Hollywood star commanded attention as he took to the stage 

In his element: Russell had the crowd in stitches as he read the letter of complaint penned in 1932 by comedian Fred Allen to the State of New York Insurance Department

Russell revealed he had become a dad during a performance at the Nottingham Playhouse, but didn't confirm the sex of the child until two days later.

Fan Daniel Crann, 29, told The Mirror newspaper at the time: 'He didn't confirm if it was a girl or a boy.'

'He was conscious of the clock and made sure he was off stage by just approaching 9pm as he "needed to get down the f***ing M21 as my girlfriend has just had a baby.

Taking to the podium: Broadchurch favourite Olivia Colman also took part 

Putting in appearance: The Wire actor Clarke Peters delivered a stellar reading 

Meanwhile, Russell recently revealed that he was looking forward to becoming a father in an interview with Evening Standard magazine.

The comedian told the publication: 'I feel lit up by the idea. I’m very excited about becoming a dad and I’m preparing myself.

'I am just getting ready to be with a new little person and see what it is they want.'

 Hollywood heavyweight: Mark Stron was also one of the big names in attendance 

Dramatic event: Joining the likes of actor Matt Berry (pictured) were former prisoners who read letters sent to National Prison Radio (NPR) over the years

Meanwhile, a source previously told MailOnline: 'It’s all about Laura and becoming a dad now.

'They have been living as a couple for the past six months and are determined to make a go of their relationship.

Famous womaniser Russell has been involved with a host of high-profile names including Kate Moss, Courtney Love, former Spice Girl Geri Halliwell, Australian actress Teresa Palmer and billionaire’s daughter Jemima Goldsmith.

On the airwaves: National Prison Radio is the world’s national radio station for prisoners and reaches around 80,000 prisoners pet day 

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