Julia Roberts sparked fears for her health when she stepped out in Malibu on Nov. 14 looking emaciated. “I was shocked at how skinny she was,” an onlooker tells In Touch . “Her legs looked like twigs, like she needed to eat a good burger. She seemed so tired and frail.” Experts say the 5-foot-9 actress, 52, weighs just under 100 pounds, when she should weigh about 130. What led to the dramatic weight loss? According to an insider, Julia’s marriage to cinematographer Danny Moder, 50, has hit a rough patch, and the stress is taking a toll. “They aren’t in a good place,” says the insider. “They fight about the kids, work — everything — and when she’s stressed out she doesn’t eat. She picks at her food. But…
