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:
Miranda Kerr and her chubby cheeked baby boy were all smiles when they touched down in New York City on Sunday.
We can't believe how big Flynn's getting! He'll be walking before we know it.
[Image via XposurePhotos.com.]