At the TAO Park City pop-up at Utah Film Studios during Sundance Film Festival, Jennifer Lopez delivered a surprise performance on Jan. 25 with her signature hit “All I Have.” The event, fueled by Casamigos Tequila, featured a winter ski chalet theme complete with a bar and specialty cocktails. Notable guests throughout the weekend-long party in Park City, Utah, included Post Malone, Niecy Nash-Betts, Jon Hamm, Zach Braff, Heather Gay, Whitney Rose, Steven Yeun, Harry Jowsey, Himesh Patel, Sean Evans, Scooter Braun, Stephan James, Jharrel Jerome and more.
Here, see the celebrity style.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos (L-R) Jennifer Lopez performs during Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos (L-R) Jennifer Lopez and DJ Chase B perform during Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos Post Malone attends Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos Lil Jon performs during Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Whitney Rose attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos (L-R) Jharrel Jerome and Niecy Nash attend Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos (L-R) Niecy Nash and Jessica Betts attend Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Jessica Betts attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos Harry Jowsey attends Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Heather Gay attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Tonatiuh Elizarraraz attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Jharrel Jerome attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos (L-R) Whitney Rose and Heather Gay attend Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Whitney Rose attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Whitney Rose attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos View of DJ booth as Jennifer Lopez sings during Casamigos at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos Lil Jon performs during Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos (L-R) Sean Evans and Lil Jon attend Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Niecy Nash attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos (L-R) Niecy Nash and Jessica Betts attend Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos Lil Jon performs during Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos A drink is seen during Lil Jon’s performance during Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Jharrel Jerome attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos (L-R) Jennifer Lopez and DJ Chase B perform during Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos (L-R) Jennifer Lopez and DJ Chase B perform during Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos (L-R) Jennifer Lopez and DJ Chase B perform during Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos (L-R) Jennifer Lopez and DJ Chase B perform during Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Heather Gay attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Heather Gay attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos Harry Jowsey attends Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos Guests attend Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Guests attend Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos View of DJ booth during Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos Drinks are poured during Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.
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Casamigos At TAO Park City – Night Two
Image Credit: Getty Images for Casamigos Whitney Rose attends Casamigos at TAO Park City on January 25, 2025 in Park City, Utah.
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Casamigos At TAO At Sundance – Night One
Image Credit: Getty Images for Casamigos Ice sculpture is displayed during Casamigos at TAO at Sundance at TAO Park City on January 24, 2025 in Park City, Utah.