Jennifer Lopez Puts on Surprise 10-Minute Performance During Sundance Film Festival: 'Energy Was Buzzing'

The star's surprise musical set came as she was in town to promote her latest film, 'Kiss of the Spider Woman'

David Becker/Getty Jennifer Lopez performs during the Casamigos at TAO Park City event on Jan. 25, 2025

David Becker/Getty

Jennifer Lopez performs during the Casamigos at TAO Park City event on Jan. 25, 2025

Jennifer Lopez is putting the "dance" in Sundance!

The multi-hyphenate, 55, surprised the crowd at TAO Park City in Park City, Utah, on Saturday, Jan. 25, when she stepped behind a DJ booth for a surprise 10-minute performance featuring a couple of her 2000s classics.

During the annual Sundance Film Festival pop-up, Lopez appeared onstage with DJ Chase B for the Casamigos event, as she ended up performing two hits off her 2002 album This Is Me... Then: “Jenny from the Block” and "All I Have."

Related: Jennifer Lopez Wears Sparkly Green Gown at Beverly Hills Birthday Dinner for Manager Benny Medina

David Becker/Getty Jennifer Lopez and DJ Chase B perform at TAO Park City in Utah on Jan. 25, 2025

David Becker/Getty

Jennifer Lopez and DJ Chase B perform at TAO Park City in Utah on Jan. 25, 2025

The conclusion to the two-night event — which came as Lopez was in town for the premiere of her latest film, Kiss of the Spider Woman — saw the star in "good spirits," a source tells PEOPLE.

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While she started the night dancing and singing from her own table, Lopez eventually worked her way behind the DJ booth and got the crowd going, as the source adds that the "energy was buzzing" and her mini-set "changed the vibe of the night."

During the outing, Lopez wore a flowy beige jacket and matching pants, as she pointed her microphone at the audience to keep the energy high. Other attendees at the pop-up included Post Malone, Niecy Nash-Betts, Jon Hamm and Zach Braff, among others.

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Lopez's Kiss of the Spider Woman musical drama, directed by Bill Condon, is set to premiere at Sundance on Sunday, Jan. 26. Back in November, the actress told Variety’s Awards Circuit podcast that the project, which is an adaptation of the 1993 Broadway musical, is "probably the most challenging and rewarding role I’ve ever had."

“It’s about love, acceptance and finding beauty in the darkness. I think those themes are so relevant right now," Lopez said.

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She described the film as a "dark story," but one that's also "about love and survival" and "helping each other through hard times." Lopez, who serves as a co-producer on the project alongside ex Ben Affleck and 12 others, stars alongside Diego Luna and Tonatiuh.

“I do it for the love of the art,” she said in November of her repertoire. “It’s not about the awards or the accolades. It’s about telling stories that matter — stories that make people feel seen, stories that inspire. That’s what keeps me going.”

Jack Dempsey for Chase Jennifer Lopez at a 'Kiss of the Spider Woman' panel at the Sundance Film Festival on Jan. 26, 2025

Jack Dempsey for Chase

Jennifer Lopez at a 'Kiss of the Spider Woman' panel at the Sundance Film Festival on Jan. 26, 2025

Related: Jennifer Lopez and Producers Ben Affleck, Matt Damon 'Cared About Us as People,' Says Unstoppable's Anthony Robles (Exclusive)

Lopez is having a busy month, with some notable career wins. On Jan. 20, the actress toasted Prime Video's announcement that her 2024 film Unstoppable took the top spot among all movie streaming worldwide on the service.

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At the time, she tagged her costar Jharrel Jerome, the film's subject Anthony Robles and her ex Ben Affleck's company Artists Equity. The wrestling drama, which follows the story of Robles, an athlete who won the 2011 NCAA wrestling championship, also features Bobby CannavaleMichael Peña and Don Cheadle.

"Thank you to everyone for watching, especially my incredible fans 🤍✨," Lopez wrote on Instagram at the time.

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