died from breast cancer Monday morning, many simply remembered her as just that: His wife.But the 57-year-old mother-of-three had a prolific and decades-long acting career of her own — which saw her appear in more than 70 movies and TV shows alongside Hollywood greats such as Arnold Schwarzenegger in “Twins,” Kevin Costner in “For Love of the Game” and Tom Cruise in “Jerry Maguire.”Born Kelly Kamalelehua Smith in Honolulu, Hawaii on October 13, 1962, Preston began her foray into show business at