Inside the lives of three young girls who have progeria -- a rapid aging disease. Barbara Walters Reports for 20/20 Original air date, September 10, 2010.


Editors Note: As of this posting, "Part Two" of the special is missing." We will continue to check back on the ABC site for updates.

7 Going on 70 - Part One
7 Going on 70 Part Three
7 Going on 70 Part Four
7 Going on 70 - Part Five
7 Going on 70 Part Six