Jennifer Garner sparked a huge reaction from fans on Saturday when she posted a rare photo of her lookalike sisters.The 13 Going on 30 actress delighted fans with the family snapshot, with many commenting on their incredible similarities.MORE: Jennifer Garner just shared a bikini video she swore she would never post Posting a heartfelt tribute to her "two favourite people", Jennifer wrote: "As a little kid, I was tortured by my sisters’ birthdays, as their celebrations were within two weeks of