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Thursday's incident in NYC marks the fifth arrest for troubled starlet Lindsay Lohan.

Related: Lindsay Lohan's Assistant: She Needs Help

Tomorrow, ET will speak exclusively with Lohan's mother Dina about her daughter's most recent troubles and investigate whether or not the Liz & Dick star could be spending the upcoming holidays behind bars.

Also on Friday, our Tom Cruise exclusive, backstage with Rihanna, and the Hollywood craze where you inhale the calories away!