“Real Housewives of New York City” alum Jill Zarin announced the death of her mom, Gloria Kamen, at the age of 91. “She was my best friend, my mentor, and the most important person in my life,” the reality star wrote via an Instagram tribute Tuesday. “For 68 years she was the heart of our family — married to my dad, devoted to everything she believed in, and a relentless truth-teller in a world that needed her honesty,” she said of her mom. Zarin, 62, referred to Kamen as being “everyone’s therapist” and “voice of reason,” adding, “She was the real OG housewife who raised incredible women and touched the lives of millions with her…
