Cher is interviewed by Cynthia McFadden. Also: Ashleigh Banfield reports on a romantic rivalry among teen girls in Pinellas Park, Fla., that led to murder in 2008.
Where to Watch Cher
Cast of Cher
Cynthia McFadden
Deborah Roberts
Diane Sawyer
Elizabeth Vargas
John Quiñones
Lisa McRee
Martin Bashir
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