Nitin Ganatra, Anita Mangan, Laurence Llewelyn-Bowen, Toyah Willcox, Leigh Francis and Gemma Cairney join six school pupils selected as part of Sky Arts Access All Arts initiative to paint portraits of Konnie Huq, Lee Ridley and Chi-Chi Nwanoku.
Stephen Mangan and Joan Bakewell present a special feature-length episode in which the nine previous winners return to the Battersea Arts Centre to paint actress Judi Dench.
Stephen Mangan and Joan Bakewell host the first heat of this year's competition from Battersea Art Centre, where a new crop of artists looks to impress the judges with a portrait of Richard Curtis, Emma Freud or Fleur East.
Nine more contestants take part in the second heat of the competition, where the celebrity sitters are Jay Rayner, Nihal Arthanayake and Susanna Reid.
Nine more artists are challenged with creating portraits of one of celebrity sitters Rory Stewart, Ainsley Harriott and Rob Delaney.
A set of new celebrities strike a pose as the painters put their artistic flair to the test.
Three new guests strike a pose as the artists produce portraits to catch the eye of the judges.
Josh Widdicombe, Nicky Spence, Shirley Ballas: A set of new celebrities enter the fore as the painters put their artistic flair to the test.
Nine contestants take part in the seventh heat of the competition at Battersea Arts Centre, where the celebrity sitters are Joe Sugg, Daryl McCormack and Lenny Rush.
The semi-final stage arrives as the contestants create portraits of Spice Girls star Emma Bunton, with only three artists progressing to the final.
The final of the competition to find the UK's most talented portrait artist, with the programme's presenter Joan Bakewell sitting for the three contenders hoing to win the £10,000 commission to paint a portrait of conservationist Jane Goodall.
Following the winner as they complete a £10,000 commission to paint conservationist Jane Goodall, which is then unveiled at the National Portrait Gallery.
Look back on the best moments from the tenth season of Portrait Artist of the Year.
