In the pilot episode of Cheers, Diane Chambers quickly transforms from a pretentious tightly-wound blue-blooded grad student about to marry her professor into a (pretentious tightly-wound blue-blooded) jilted barmaid. This is illustrated by a major transformation in her clothes.
See exhibit A:
From sipping a martini to taking beer orders in an apron, Diane always maintains an air of sophistication, albeit pompous. With almost identical blouses and skirts, plus an overabundance of plaid, available today, it’s easy to achieve Diane’s highs and lows.
See Exhibit B:
Here’s to Diane!