After keeping mum on reports that it was taking in docu-reality series Who Do You Think You Are for the past nine months, TLC now officially announced that it has ordered eight new hour-long episodes of the Emmy-nominated series, which was cancelled by NBC after three cycles. Production is underway for a July 23 premiere. Celebrities who will be featured on the new season include Christina Applegate, Cindy Crawford, Zooey Deschanel, and Chris O’Donnell. The series, produced by Shed Media U.S. and Is or Isn’t Entertainment, reveals celebrities’ ancestry.