No judgment, January Jones, but we love a good Walk of Shame.

Critically acclaimed “Mad Men” actress Jones hosted Oceana’s World Oceans Day with GQ magazine on Tuesday evening, at the swanky Sunset Tower Hotel in Los Angeles.

We took note of her cute BCBG aquamarine cocktail dress a the event — and then again the next day at 10:30 a.m. getting out of a taxi at her house.

That had to be one heck of an Oceans party, attended by the likes of David Arquette, Jakob Dylan and GQ Vice President and Publisher Peter Hunsinger.

We’d speculate, but it’s much more fun when you do it for us! Vote in our January Jones dress poll below.January was not cited or arrested, but her car was impounded and police have launched an investigation. No alcohol or drugs were involved.

As for why celebrity gossip media might have been trying so hard to get a shot of Jones, it may have something to do with a Walk of Shame.

Or more accurately, a Cab Ride of Shame. Photos of her arriving home in the same dress she wore the night before were all over the Internet.

Jones said paparazzi were following her and she lost control of her car. She says she left her license and walked a block home and called 911.

There will not be a hit-and-run investigation and cops say they did not administer a field sobriety test because there was no evidence of alcohol