Check out Mary Kate on the cover of Elle Magazine for July 2008. She and her twin sister, Ashley Olsen, were born June 13, 1986 in Sherman Oaks, California to David and Jarnette Olsen. The twins began their acting career in 1987 when they were chosen to play the role of Michelle Tanner on a new television series, "Full House" (1987). The show became a hit with books,...