Roberts tau cedhak karo Liam Neeson, Dylan McDermott, Kiefer Sutherand, Lyle Lovett, Matthew Perry, lan Benjamin Bratt.[1] Dhèwèké nikah karo penyanyi kang jenengé Lyle Lovett ning Gréja St. James Lutheran, Marion, Indiana.[1] Nanging rong taun bebrayanan, Roberts pegatan karo Lyle, Tanggal 4 Juli 2002 ning Taos, New Mexico Roberts nikah karo Daniel Moder, kameraman.[1] Dikaruniai anak telu: Si kembar Hazel Patricia Moder lan Phinnaesus “Finn” Walter Moder, lan Henry Daniel Moder.[1] Sawisé mbintangi filem VALENTINE'S DAY dan EAT, PRAY, LOVE ning taun 2010, Julia pindhah agama Hindhu.[1]
