Zoe Saldana is truly a force to be reckoned with. Not only has she been in the entertainment industry for almost two decades and had the special pleasure of starring in movies with all of Hollywood's Chrises, but she hasn't aged one bit since we first fell in love with her. The mother of three will be ringing in the big 4-0 on June 19, but if we didn't know any better, we'd guess she was in her early 20s. Honestly, I hope I age as beautifully as Zoe. Let's take a walk down memory lane and look back at her stunning celebrity evolution.