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:
Leighton Meester's Gossip Girl character Blair Waldorf went on one helluva expensive shopping spree in New York City on Monday.
And she came prepared!
After she was done racking up the air miles on her credit card, Blair let her housekeeper Dorata carry all the bags.
[Image via Buzz Foto.]