Michael B. Jordan and Kiki Layne had a flirty Friday night, according to an onlooker.

TheBlack Pantherstar, 31, and theIf Beale Street Could Talkbreakout, 27, were both at the Tao nightclub pop-up in Park City, Utah — where a fellow partygoer spotted them interacting.

“Michael and Kiki were super flirty all night,” the onlooker tells PEOPLE. “He spent literally all night talking and focused on her.”

Jordan arrived with an entourage around 11:30 p.m., when he was escorted to a table, the insider explained. There, the actor partied with Gerard Butler, 49, before turning his attention to Layne at the pop up, where guests drank Casamigos.

Near the end of the night, Jordan “left the club first and she followed,” the source says.

Reps for both stars — who are in Park City forthe annual Sundance Film Festival— did not immediately respond to PEOPLE’s requests for comment.

Vincent Sandoval/Getty Images; Jon Kopaloff/Getty Images

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Earlier this month, Jordan and hisBlack PanthercostarLupita Nyong’odenieddating rumors.

“We’re good friends,” Jordan toldEntertainment Tonight. “Honestly, we’ve known each other a really long time and respect each other and I love this girl to death.”

Nyong’o, 35, echoed the sentiment: “It’s flattering at the end of the day. I think it’s such a rare thing to find people you have good chemistry with and too for us to find each other as actors and get to work together, it makes the work richer that we truly enjoy each other’s company on and off screen,” she explained toET.

Back in November,Ellen DeGenerespressed theCreed IIstar abouthow he could still be single.

“I’ve been working,” he said onThe Ellen DeGeneres Show. “I’ve been working crazy. SoI’ve not really had the time to properly date.”

Jordan has slid into fans’ direct messages in search of romance, though. “Yes, I have,” he toldChrissy Teigen, who was co-hosting DeGerenes’ show, when she asked if he’d “hooked up” via direct message online. “I have, I have, I have, I have. I’m human, I’m human. Not often, but yes, I have.”

When Teigen joked that her assistant was interested and “ready for kids,” Jordan hinted that he wasn’t exactly ready for something that serious.

“I’mma take my time and ease on into that,” he replied.

source: people.com