The brunette at the center of Eliot Spitzer's spectacular downfall is a 22-year-old runaway from the Jersey Shore who came to the city to be a singer and ended up toppling a governor. The stunning revelation came on a day of high drama that began with Spitzer's resignation and ended with the confession from sexy Ashley Alexandra Dupré, who is just four years older than Spitzer's eldest daughter. "I just don't want to be thought of as a monster," said Dupré, who was born Ashley Youmans and raised in Belmar, N.J.