Jennifer Garner and Emma Myers chat with ET's Cassie DiLaura ahead of the premiere of 'Family Switch,' streaming on Netflix on Nov. 30. Jennifer says the body-swapping theme in the film was 'intentional' and that she was ‘chasing’ the joy she experienced while making her 2004 film, '13 Going on 30.' Plus, the mother of three shares her plans for the holidays with her children. Emma, who plays Garner's daughter in the film, says she studied YouTube videos of Jennifer to mimic her mannerisms for the body swap scenes in the film. Source