Now, Isabella's twin sister Sophia is speaking out for the first time about it, and she's sharing how she made it her mission to be a supportive sibling in her own way. The Good Morning America ...

Isabella and her twin sister Ingrid were born in Rome in 1952. Bergman and Rossellini divorced five years later. Now 72, Rossellini has lived longer than both her father, who died at 71 in 1977 ...