Joan Bakewell presents Sky Arts' Portrait Artist of the Year on Tuesday 14th February at 8pm. This week's celebrity sitters are Actor Trevor Eve, Fortitude star Parminder Nagra and author Ben Okri. Joan Bakewell is also among the Lakes, explaining how Grasmere helped to create the National Trust, as she presents a film for Secrets of the National Trust with Alan Titchmarsh on Tuesday 14th February at 9pm on Channel 5.