Yep. Keeps strict Shabbos and everything, from what I’ve heard. Heck, a few years back, some of the tabloids took a picture of her and her husband, and, shall we say, rolled a critical failure on their Knowledge (Outside Our Preconceptions) check.
(short version: Daily Mail publishes photo of Ivanka and her husband, saying that he bought her flowers. He’s carrying a lulav and esrog (still in the cheap box and plastic bag they’re sold in, no less)).
