We used to see a lot more stories about Lindsay Lohan partying at the Chateau Marmont in Los Angeles, and sometimes those stories didn’t end so well. But Wednesday night the actress was there for an event thrown by the Weinstein Company and Audi to celebrate awards season, and she came out looking pretty good.

Lohan, 25, was her post-Playboy fittest in a body-hugging little black dress, and numerous celeb blogs took notice. Over at the Daily Mail and Celebuzz, to name a couple, the polished Lohan was being lauded for her “sultry sophistication” and “conservative sexy” look.

Other celebrities on hand for the party included Michelle Williams, Bradley Cooper, Jane Lynch, Jamie Foxx and more.

Cops were called to Lindsay Lohan’s Venice Beach pad earlier this evening — after a strange, unidentified man came a-knockin’ … and Lindsay freaked the hell out.

Law enforcement sources tell TMZ, the man — an older gentleman — arrived at her home around 6:30pm and began knocking on the front door.

We’re told Lindsay came to the door and asked what he wanted — and the man responded cryptically … that he needed to speak with her.

Unnerved, Lindsay asked the man to leave, but he refused, demanding she open the door. Police received a call minutes later about a trespasser on Lindsay’s property. It’s unclear if Lindsay made the call.

According to law enforcement sources, cops showed up soon after and arrested the man for trespassing. The man is currently being booked.