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Liberty Ross

Courtesy of John Sciulli/WireImage

Liberty Ross first public appearance since her husband Rupert Sanders was caught in a cheating scandal with Kristen Stewart was more than just a stroll on a red carpet.

Not only did the model-actress attend last night's Hollywood premiere screening of the Shia LaBeouf-headlining Lawless with her brother, Girl With the Dragon Tattoo music composer Atticus Ross, but the good times continued at the after party.

A wedding ring-less Ross hit the bash, held nearby at new hot spot Eden, for about an hour. She sipped DeLeon tequila cocktails while hanging with her brother and their very good friend, Lawless screenwriter and co-composer Nick Cave. Stars Guy Pearce and Dane DeHaan were also there.

"She was in a good mood," a fellow partygoer says. "She was laughing, she was happy, she was talking to everyone."

And she looked darn good doing it.