I wondered that, too - but then I realized he had gotten that big paycheck for Dannielynn, so it’s “OK” to fly a nanny back and forth, I would say.
So, I’m guessing she went back.
What I got to thinking was it would be smart to bring her there and have her stay and bond along with Larry so when they do finally get clearance to return to the States the baby would be comfortably with people she knows.