Celebrities including Jonathan Ross, Idris Elba, Warwick Davis, Jamelia, David Wenham, Konnie Huq, and Jill Halfpenny celebrated the launch of the Harry Potter Summer Screenings at Warner Bros. Studio Tour London - The Making of Harry Potter.

Guests were invited to watch Harry Potter and the Philosopher’s Stone at the series’ production home in Leavesden.

Warwick Davis introduced the evening and said: "It’s great to be back at the studio tour and to be part of the Harry Potter Summer Screenings, celebrating the films all over again and giving people the chance to watch them at the studios where they were made."

From July 7 until August 26, Harry Potter fans will be able to watch their favourite films at the series’ production home each Monday and Tuesday evening as the Studio Tour launches its first ever Harry Potter Summer Screenings.

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Idris Elba sits in Professor Dumbledores chair at Warner Bros. Studio.

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Jamelia in the Great Hall at Warner Bros. Studio.

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Jamelia sounds outside Privet Drive at Warner Bros. Studio.

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Jamelia sounds outside Privet Drive at Warner Bros. Studio.Watford Observer:

Jonathan Ross sits in Professor Dumbledore's chair at Warner Bros. Studio.

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Jonathan Ross at Warner Bros. Studio.

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Jonathan Ross at Warner Bros. Studio.

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Jonathan Ross at Warner Bros. Studio.

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Jonathan Ross and Warwick Davis at Warner Bros. Studio.

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Warwick Davis in the Great Hall at Warner Bros. Studio.

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Warwick Davis in the Great Hall at Warner Bros. Studio.

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Konnie Huq in the Great Hall at Warner Bros. Studio.

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Konnie Huq in the Great Hall at Warner Bros. Studio.

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James Buckley arriving at Warner Bros. Studio.