Darina's body was found 21 miles away from the crash site while her parents' corpses have not been found, which is a big development, the Daily Mail reports. That information means the plane could have come apart earlier than previously thought.
Crews have widened their search area by 25 miles as a result of the development.
Darina's mother, Tatiana, 26, took the photo before the family departed for Egypt. She was the "main passenger" on the family's trip due to strict travel regulations, the Daily Mail said.
All 224 passengers on board died, officials said. Of those, 58 victims have been identified, according to the report.
On Thursday President Barack Obama echoed global officials' sentiments about terrorism possibly being a factor in the crash.