One source claims the 18-year-old was actually bullied for being there -- apparently not everyone thought she earned the right to walk the shows!
The insider spilled:
It's been more than a year since we first mentioned there was a Vidal Sassoon biopic in the works and now there's finally a trailer!
The film hits the big screen next month in New York and Los Angeles.
Check it out in the clip, (above)!