Lisa Marie Presley is a curiosity. Famous from birth, she is rock's only real princess. Her face is a stunning combination of her parents' best features. Her marriages have been, well, unusual. Who could forget her awkward television kiss with then-husband Michael Jackson? Or the few months of wedded bliss to actor and Elvis fanatic Nicolas Cage? She has led a colorful life — one that overshadowed her music career when she started making records in 2003.