People Magazine : Joan Collins on sister Jackie’s death. ”I Am Completely Devastated”

Joan Collins on Sister Jackie’s Death: ‘I Am Completely Devastated’ BY ELIZABETH LEONARD @lizzleonard1 09/19/2015 AT 08:45 PM EDT She has lost her best friend. Actress Joan Collins tells PEOPLE that she is “completely devastated” following the news of sister Jackie Collins’ death. “She was my best friend, ” Joan, said. “I admire how she handled this. She was a wonderful, brave and a …