Who Do You Think You Are? (USA): Series 4 (2013)

Actress Christina Applegate investigates her paternal grandmother - a stranger to her and her father. Uncovering dramatic details along the way, Christina gains insight into the life and hardships of the woman she and her father loved, but never knew...Model Cindy Crawford travels to the United Kingdom to learn more about her ancestry including possible genealogical connections to European royalty...Since her parents passed, country singer Trisha Yearwood knows little about her paternal side of the family. Her search for a deeper family connection takes Trisha to England, where she uncovers an ancestor's history of crime, loss, and perseverance...