The divorce action between Gossip Girl star Kelly Rutherford and her estranged husband has turned ugly, with the actress seeking to bar him from leaving the United States with their 2-year-old son for fear they'll disappear.

Estranged husband David Giersch countered in L.A. Superior Court with papers alleging the actress, who's four months pregnant with their second child, has a bad temper, once throwing a laptop at him and another time trying to sock him with her fist.

Rutherford, 40, filed for divorce from Giersch, an entrepreneur, last month after being married a little over two years, seeking sole physical custody with monitored visitation. On the same day, Giersch filed for legal separation, seeking sole legal and physical custody with visitation for her.