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:
The amazingly talented actress, singer and designer Kat Graham is spilling the deets on her fierce looks from her new Sassy music video.
See who made what in the clip, above!
P.S. If you haven't seen the video for Kat's catchy song, watch it HERE!!!