Last night we watched the stars get glammed up to walk the Oscars red carpet, but it was a different story a few hours later when the winners, losers, and hangers on hit the Hollywood afterparties.
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PHOTOS: Hottest men on the 2012 Oscars red carpet
PHOTOS: Hottest men on the Oscars red carpet
While the stars nurse their hangovers today, check out the pics of what they got up to last night after the curtains closed on Hollywood's night of nights.
You've seen them get dressed up for the big night, now see how the stars let their hair down after the ceremony!
Oh and as for who got arrested: It was Blade Runner actress Sean Young. The 52-year-old was booked for investigation of misdemeanour battery and released on $20,000 bail after trying to force her way into the Governor's Ball.
"She was trying to get into the party and couldn't get in," a police officer told press.
Don't forget to check out all the action from the >Oscars 2012 red carpet in our gallery below.