UPDATE: The girls have been named Finley and Harper, E! News has learned.
Lisa Marie Presley has doubled her pleasure.
The rock 'n' roll progeny and her hubby, Michael Lockwood, celebrated the arrival of twin girls this week.
Per Presley's publicist, Cindy Guagenti, the twosome arrived at 2:46 p.m. Tuesday via C-section, weighing in at 5 pounds, 15 ounces and 5 pounds, 2 ounces, respectively. The children's names have not been announced.
Mother and daughters are said to be "happy and healthy" and now resting at home.