Bill De Blasio’s other other woman is … also a mayor.

The former hizzoner of New York City has shacked up with herroner of South Tucson, Mayor Roxanna Valenzuela.

They’ve been seeing each other for some weeks, and the fling allegedly overlapped with De Blasio’s relationship with progressive activist Nomiki Konst.

Roxanna Valenzuela mayor of South Tucson, Arizona (left) has been revealed as former NYC Mayor Bill de Blasio’s girlfriend. Roxanna Valenzuela/Instagram

de Blasio’s affair with Valenzuela (pictured) allegedly overlapped with his 10-month relationship with Nomiki Konst, 41. Roxanna Valenzuela/Instagram

De Blasio, 64, had been dating 41-year-old Konst for 10 months when she was reportedly blindsided by his alleged affair and dumped.

And the new power couple appears to ha

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