Will Lindsay Lohan Spend Christmas in Jail?

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