Ramona and Mario Singer have each other’s backs, especially during this unsure time amid the ongoing COVID-19 pandemic. The Real Housewives of New York vet, 63, spoke to HollywoodLife while she is self-isolating with her ex-husband and their 24-year-old daughter Avery. Mario invited the two to stay with him in Boca, Raton, Florida, as New York City was hit the hardest with the spread of coronavirus.