Over 10 years ago, the world was introduced to the Kardashian family and all the personalities that made up this tightly-knit group on Keeping Up With The Kardashians. Kourtney Kardashian, 41, the eldest of her siblings, brought a sardonic tone and plenty of unforgettable moments to the show’s very first season in 2007. All of these years later, Kourtney is still making a name for herself on the show, in her business ventures, and as a mother to three sweet kids!