David Freud in Brighton painting marathon
14 March 2013 Last updated at 20:11 GMT
Sussex artist David Freud, the son of portrait artist Lucien Freud, is holding a 24-hour paintathon to raise funds for a residential centre for troubled young men.
Mr Freud will be painting until 21:00 GMT on Friday to help Brighton charity A Band of Brothers.
The paintathon, at the Thistle Hotel in Brighton, includes an auction for the chance to have a portrait painted by Mr Freud.