"Who Do You Think Your Are?" Season 4 premiers on TLC July 23

Editor's note: Today's post was written by Richard Hanson.

Contemporary celebrities star in the docu-reality television program "Who Do You Think You Are?"  Viewers to watch each celebrity's journey of self-discovery as they trace his or her family trees. Each week the show focuses on a different celebrity.

NBC created the series in 2010 based on a show of the same name showing in Britain. After the third season, NBC canceled it. Cable channel TLC (The Learning Channel) has picked up the show and its fourth season begins on July 23. Eight episodes will be broadcast. Celebrities expected to take part in the fourth season include Christina Applegate, Cindy Crawford, Zooey Deschanel, Chelsea Handler and Kelly Clarkson.

Genealogy apparently does have a glamorous side.

For a good history of the series, go to:
http://en.wikipedia.org/wiki/Who_Do_You_Think_You_Are%3F_(U.S._TV_series)

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