PICK OF THE DAY

WHO DO YOU THINK YOU ARE?, 9PM, BBC1

ALREADY a celebrated dancer in the world of ballroom, Shirley Ballas (pictured) found herself catapulted to wider fame when she took over as Strictly Come Dancing’s head judge last year. Born in Wallasey, Wirral, Shirley, 57, has long been intrigued by a family story that her maternal great-grandmother abandoned her husband and children for the bright lights and excitement of America, and here sets out to discover the truth for herself. Plus, Shirley shimmies off to South Africa’s Cape Town in hot pursuit of a rumour that she might have African ancestors on her father’s side.