MIAMI — Hell hath no fury like a Florida woman scorned.

A Miami waitress has been accused of blackmailing her businessman lover for $20,000 after she found out he had a girlfriend the whole time they were dating.

Nathalie Rodriguez Gonzalez, who is 19, was arrested Friday on charges of threats and extortion, according to WPLG Local 10.

The itty-bitty blackmailer — listed in jail records at 5-feet-1 — met the well-off victim while waiting on his table at the restaurant where she worked, according to cops.

They started seeing each other, but things allegedly took a turn for the worse when she discovered she was just his side-piece.

Rather than be…

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