Jennifer Garner took a trip down memory lane on Thursday and left fans confused when she shared a throwback picture of herself and her two siblings on Instagram.MORE: Jennifer Garner gives glimpse inside living room to reveal favorite booksThe 49-year-old had a lot to say about the snap and happily shared her thoughts with her 11.4 million fans.WATCH: Jennifer Garner thanks fans in emotional video"Discussion points: 1. Garner girls + bangs = lifelong struggle.