First the Anne Frank museum came to Justin Bieber's defense after he speculated that the iconic Holocaust diarist might have been a Belieber; now Frank's own stepsister says she's on Bieber's side, too. "She probably would have been a fan. Why not?" says Eva Schloss, who was Frank's childhood friend before her mother married Frank's father after the war. Bieber is "a young man and she was a young girl, and she liked film stars and music," Schloss continues. And, as the Sun notes, Frank's diary does include mentions of celebrities like Greta Garbo and Ray Milland. Click for more on what sort of pop culture she loved.