6 February 2012 Last updated at 08:44

Working with Lucian Freud

Famous for his portraits and nudes, Lucian Freud was one of the most influential artists of his generation. Now, six months after his death, two major exhibitions showcase his distinctive work - at the National Portrait Gallery in London, and Pallant House Gallery in Chichester.

During his 20 years as the artist's assistant, model and friend, David Dawson witnessed the creation of some of Freud's most celebrated works. Here, as some of his own art also goes on display in Chichester, he gives a unique insight into what life was like in the notoriously private world of Lucian Freud.

This slideshow contains some images of nudity.

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Lucian Freud Portraits can be seen at the National Portrait Gallery, London from 9 February - 27 May 2012.

David Dawson: Working with Lucian Freud can be seen at Pallant House Gallery, Chichester until 20 May 2012.

Lucian Freud: Painted Life will be screened on BBC 2 and the BBC iPlayer later in February

All images subject to copyright. Courtesy: Pallant House Gallery, Chichester, and National Portrait Gallery, London.

Music by KPM Music. Slideshow production by Paul Kerley.