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Lindsay Lohan was back at work on the set of "Liz & Dick" after paramedics were called to her penthouse at the Ritz-Carlton Hotel in Marina del Rey, Calif. June 15, 2012. According to TMZ , it was "a case of exhaustion and dehydration."

ABC News: Lohan Back on Set of 'Liz & Dick' After 911 Call

Lohan Back on Set of 'Liz & Dick' After 911 Call