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.
De Blasio and Valenzuela — a mother of two — had a short-lived fling allegedly overlapping with the ex-mayor’s relationship with 41-year-old progressive activist Nomiki Konst, The Post confirmed.
The 64-year-old lothario had been dating the former “Young Turks” correspondent and Bernie Sanders campaign surrogate for 10 months when she was reportedly blindsided by her two-timing beau…