Jennifer Garner has always been admired for her genuinely pure and cheerful look, the kind of person you'd really want to be friends with.MORE: Jennifer Garner stuns fans with rare family photo with lookalike sistersThe actress shared a throwback post on her Instagram that showed off just how far those looks travelled - and how she'd been able to perfect them for the cameras.WATCH: Jennifer Garner shows off her impressive hidden talentJennifer posted a picture which featured three split images