Who Do You Think You Are?

Vanessa Williams sets out on a journey to find out if her ancestors were also trailblazers.

The country music superstar uncovers his father's heritage among the Founding Fathers.

The search for her mother's roots takes Rosie to Ireland, and uncovers a new branch of the family.

Kim Cattrall travels to her native England to discover what happened to her grandfather, who abandoned his family to poverty when Kim's mother was only eight years old.

Lionel Richie sets out to unlock the mystery of the man his beloved grandmother never spoke about - her father, John Louis Brown.

Steve Buscemi seeks a compelling story on his mother's side of the family, and finds it in his great-great-grandfather Ralph B. Montgomery.

Gwyneth Paltrow's exploration of both sides of her family shows her the importance of teaching her kids that where they come from is important.

Actress Ashley Judd discovers a connection to the first American settlers while investigating her ancestral past.