30 Things You Probably Missed in Star Wars: The Force Awakens. - The woman with the same hairstyle as Princess Leia in the Resistance headquarters is actually Carrie Fisher’s (who originally portrayed Leia) daughter, Billie Lourd.
Fisher, who died in December, with daughter Billie Lourd (Lieutenant Kaydel Connie). Photograph by Annie Leibovitz. See Annie Leibovitz’s Exclusive Cast Portraits of Star Wars: The Last Jedi for Vanity Fair
Carrie Fisher's Daughter Billie Lourd Will Return for Episode VIII