Sienna West was born on November 6, 1977 in Orange County, California. Her family hails from Uruguay. West moved to Miami, Florida at age ten and participated in bikini competitions while living in that particular state. Sienna eventually moved back to California to pursue a career in the adult entertainment industry. West worked for nine years as a dancer doing private and erotic shows at the best clubs in Los Angeles and became close friends with many people in the porn cinema business. Sienna first began performing in explicit hardcore movies in her late 20's in 2007.