This rainbow was spotted near where authorities believe they discovered Gabby Petito's body (FOX News photo) A rainbow appeared in the area where authorities earlier Sunday discovered what they believe to be the body of Gabby Petito in Grand Teton National Park.The rainbow appeared shortly after the the coroner's office departed with a body the FBI said matched the description of Petito, though they said the body has yet to be 100% positively identified and the case is still under investigation.Petito is an aspiring blogger who was able to amass thousands of fans as she documented her travels across the country, often to national parks and other wilderness areas in a white van that was retrofitted for sleeping.MISSING GABBY PETITO: PARENTS.