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Input: For the second time this year   Jocelyn (Catwoman) Wildenstein and her boyfriend Lloyd Klein  were charged with assaulting each other during an argument  police sources said Monday.
 Wildenstein  the 77-year-old plastic surgery-obsessed socialite  and Klein  50   were each busted on misdemeanor assault charges when police showed up at  their  1st Ave. apartment inside Trump World Tower  by the United Nations  at 1:30 a.m. Sunday.
During the ensuing argument   Wildenstein  told police  Klein shoved her to the ground  bruising her neck and arms  sources said.
 Wildenstein  was treated at Bellevue Hospital and Klein went to New York-Presbyterian Weill Cornell Medical Center.
In February  Wildenstein  who was once married to an eccentric billionaire  had another assault charge against her dismissed when Klein stopped cooperating with authorities.
 Wildenstein  had been accused of scratching Klein and cutting  him  with scissors. Days later   he  was busted for pushing her when  he  tried to collect her belongings from their apartment. Charges against  him  were also dropped.
 Wildenstein  has invested millions in facial reconstruction to appear cat-like.

'Catwoman ' boyfriend charged again with assaulting each other