The Real Housewives of New York City entrepreneur was spotted at a sophisticated soiree hosted by Ivana. "#Ivana is always the best &most gracious hostess. Great mom &friend," Sonja tweeted Tuesday.
Yes, you can add Ivana to Sonja's list of high-profile pals, if you're keeping count at home. Sonja has actually had a long history with the Trump family, whether it's running in the same social circle as Ivana's children Ivanka and Eric Trump or actually working as a consultant to Ivana's ex-husband Donald Trump, according to Sonja's bio on her website.
See more of Sonja's glamorous life, below.
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