SOOKIE: Oh, my God, look at that gown. You look just like the Statue of Liberty.
LORELAI: Ah, all big and stony?
The Statue of Liberty, previously discussed.
Sookie only means that Lorelai is wearing dignified flowing robes, like the ones on the statue, but it’s not very tactful, because Lorelai has become sensitive about her height since Rune, and being compared to an enormous statue clearly doesn’t please her.
The Annotated Gilmore Girls 