Lisa Marie Presley (born February 1, 1968) is an American singer-songwriter. She is the only child of singer and actor Elvis Presley and actress and business magnate Priscilla Presley as well as the sole heir to her father's estate. Presley has developed a career in the music business and has issued three albums. She has been married four times, including to singer Michael Jackson and actor Nicolas Cage, before marrying music producer Michael Lockwood, father of her twin girls.