Jay just shakes his head and clicks his tongue in a way that suggests that he's trying to be polite to Rachel, but that she's just doing so badly that he can't contain himself. Either way, it's clearly her fault for listening in to private creative director conversations like "is her hair too yellow?" and "I feel like her earlobes are lopsided".

When the shoot's done, he rushes Rachel off to the runway without another word in her direction.