By Breaking Celebrity News Staff

‘Twas the night before court, and LiLo was out ...

Lindsay Lohan will face a judge Wednesday morning for an update on her probation in her theft case, but that didn't stop the actress turned Playboy model from taking in the Jay-Z concert with her sister Ali at the Staples Center in Los Angeles Tuesday night.

The Mean Girls star, 25, looked chilly in a black skirt, while her noticeably-thin younger sister Ali wore a fashionable see-through number.

PHOTO: LiLo Attends Jay-Z Concert Night Before Court

As we previously reported, LiLo is expected to receive a glowing report in her hearing Wednesday, which we'll be covering right here on Breaking Celebrity News.

"Judge Sautner gave Lindsay a new probation officer at her last court appearance,” a source close to the actress tells Breaking Celebrity News. "Her new probation officer is absolutely no nonsense, and she has seen it all. Lindsay has been a model probationer so far.