Tiffany Haddish was back on the party scene a week after cops arrested her for a DUI in Los Angeles.

But she was not drinking at the bash, and posted, “I am ready for my next chapter,” on her birthday, Sunday.

Last week, the “Girls Trip” star attended a star-studded holiday party that Paris Hilton hosted at her home.

The event also celebrated Season 2 of Hilton’s reality show, “Paris in Love.”

Haddish was in a festive, and sober, frame of mind at the party, we’re told.

A partygoer said they spotted the comedian “snapping pics with Santa,” and hanging with comedy fixture Jeff Beacher.

(Haddish was also with the Beacher’s Madhouse impresario the night of her arrest when she performed at a Long Beach, Calif., comedy club, and joked about the incident on stage.)

Another source, who attended Hilton’s party told us Haddish was “very sober, and not drinking at all.”

We’re told Haddish was her funny self at Hilton’s winter wonderland themed party. “She was hysterically funny, and super nice to everyone,” the source said.

A rep for the star did not comment.

Dec. 3 was Haddish’s birthday and the star, 44, posted a clip to Instagram of herself doing a bawdy cabaret performance.

A caption said, “Happy birthday to me,” as well as, “I am ready for my next chapter in life. I have more music and Another Book coming and I can’t wait to share with the world all of the work I have been doing for My Family and All my Real Unicorns.”

She also thanked her band and others involved in producing the performance, and added, “I keep my promises anyone that knows me knows that. It might take some time but I always keep my promise. Just ask God.”

We previously reported that friends have been worried about the star after her second DUI, sources said.

Police found Haddish slumped behind the wheel of a vehicle after performing a charity show at the Laugh Factory in Los Angeles on Thanksgiving.

(In a January 2022 incident, she was arrested in Georgia for suspicion of driving under the influence.)

Haddish performed at the Laugh Factory in Long Beach the night after Thanksgiving, and even joked about her arrest on stage when a fan in the crowd asked what happened.

She more seriously addressed the incident in an interview with “Entertainment Tonight” a few days later, saying, “I’m going to get some help so I can learn balance and boundaries. This will never happen again.”