By Jen Heger - Radar Legal Editor
Celebrity Rehab alum Sean Young, who was arrested Sunday night in Los Angeles after allegedly slapping a security guard at the Governor's Ball after the Academy Awards, has fallen off the wagon, and is drinking alcohol again, RadarOnline.com is exclusively reporting.
As we previously reported the star of Ace Ventura: Pet Detective, according to reports, got into a heated tiff with security guard and slapped him.
Police said Young, 52, was taken into custody at 9:25 pm PT Sunday at the Governor's Ball in connection with investigation of misdemeanor battery. She bailed out of jail around 3 am PT.
The Blade Runner star is "absolutely using alcohol again. Sean hasn't been to an AA meeting in months, and she has completely fallen off the wagon. Sean hasn't talked to her sponsor and has cut off all ties to people that had helped her to stay sober. It's truly sad to see her in this condition because she had been doing so well in her recovery. Sean was absolutely drinking last night," a source close to the situation tells us.
Young has a history of similar incidents at past swanky Hollywood functions.
In 2006, she was booted from the Vanity Fair Oscar party, and two years later, she was ejected from the Directors Guild of America awards.