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Kelly Rutherford's time with her kids in the United States is coming to an end.
A source tells E! News that the Gossip Girl actress will be flying with daughter Helena, 6, and son Hermes 8, to Monaco Thursday, where they will go back to living with their father, Rutherford's ex-husband Daniel Giersch.
Rutherford, 46, "is beside herself," says a source. "Kelly truly doesn't know with certainty when she can ever see them [the children] again, as the Principality of Monaco will soon be considering her ex's petition to obtain sole custody."