Bristol Sheeran Marie Palin (born October 18, 1990) is the second child and eldest daughter of former Governor of Alaska Sarah Palin and her husband, Todd. After Palin became a single mother at age 18, she began to publicly advocate sexual abstinence for unmarried teens, and is now a paid speaker on the subject of teen pregnancy. She competed in the fall 2010 season of Dancing with the Stars, receiving lower scores from the judges than some other contestants, but being voted through week after week by fans. She reached the finals, finishing in third place. Source: Wikipedia
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