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:
Ha! No one said looking like a princess was easy, Kel.
Her Prince Charming, fiance Brandon Blackstock, didn't look too shabby in his tux, either.
Check out another pic of the snazzily dressed couple (below)!
[Image via Twitter.]