Katie Holmes and daughter Suri Cruise surprised concertgoers on Friday when they appeared at Z100's iHeartRadio Jingle Ball 2017 at Madison Square Garden and introduced closing performer Taylor Swift.

It marked a rare onstage appearance for the actress and ex-husband Tom Cruise's 11-year-old daughter, their only child together.

"She's one of our favorite performers and, who is it tonight?" Katie asked Suri, who replied, "Taylor Swift!"

The actress dressed casually in an ivory sweater and black jeans, while her daughter wore a sleeveless black dress covered in white stars and a big red ribbon in her hair.

The concert marked the latest stop on the annual Jingle Ball tour, which features a slew of popular acts. Performers at Friday's concert included Ed Sheeran—who performed "End Game" with Taylor, Sam SmithNiall HoranFallout Boy, Demi LovatoThe Chainsmokers and Logic, who sang "Happy Birthday" to a 13-year-old girl in the front row. The whole crowd sang along as she beamed.

See photos of Katie, Suri, Taylor and others at Friday's concert as well as pics from past shows below.

Katie Holmes, Suri Cruise, Z100 Jingle Ball 2017, Celeb kids with unique names

Theo Wargo/Getty Images for iHeartMedia

Taylor Swift, Jingleball, 2017

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Katie Holmes, Suri Cruise

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Demi Lovato, Jingleball, 2017

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Taylor Swift, Inglewood Jingle Ball 2017

JB Lacroix/ WireImage

Taylor Swift, Ed Sheeran, Inglewood Jingle Ball 2017

Christopher Polk/Getty Images for iHeartMedia

Demi Lovato, Inglewood Jingle Ball 2017

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Macklemore, Kesha, Inglewood Jingle Ball 2017

Christopher Polk/Getty Images for iHeartMedia

Liam Payne, Niall Horan, Inglewood Jingle Ball 2017

Kevin Mazur/Getty Images for iHeartMedia

Tom Sandoval, Ariana Madix, Jingle Ball 2017

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Liam Payne, Inglewood Jingle Ball 2017

Christopher Polk/Getty Images for iHeartMedia

Ed Sheeran, Inglewood Jingle Ball 2017

Kevin Winter/Getty Images for iHeartMedia

Nicole Richie, Inglewood Jingle Ball 2017

Emma McIntyre/Getty Images for iHeartMedia

Sofia Carson, Jingle Ball 2017

Paul Hebert

Lance Bass, Inglewood Jingle Ball 2017

Emma McIntyre/Getty Images for iHeartMedia

Lauren Jauregui, Inglewood Jingle Ball 2017

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Sara Hyland, Inglewood Jingle Ball 2017

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Bellamy Young, Jingle Ball 2017

Rachel Murray/Getty Images for iHeartMedia

Kesha, Inglewood Jingle Ball 2017

Amanda Edwards/WireImage

Ed Sheeran, James Corden, Inglewood Jingle Ball 2017

Kevin Mazur/Getty Images for iHeartMedia

Ryan Seacrest, Inglewood Jingle Ball 2017

Christopher Polk/Getty Images for iHeartMedia

Charlie Puth, Inglewood Jingle Ball 2017

Christopher Polk/Getty Images for iHeartMedia

Halsey, Inglewood Jingle Ball 2017

Christopher Polk/Getty Images for iHeartMedia

Ed Sheeran, Inglewood Jingle Ball 2017

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Ariana Madix, Tom Sandoval, Inglewood Jingle Ball 2017

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Niall Horan, Inglewood Jingle Ball 2017

Emma McIntyre/Getty Images for iHeartMedia

Becca Tilley, Inglewood Jingle Ball 2017

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In Real Life, Inglewood Jingle Ball 2017

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James Maslow, Inglewood Jingle Ball 2017

Emma McIntyre/Getty Images for iHeartMedia

Acting Natural, Inglewood Jingle Ball 2017

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Malia Civetz, Inglewood Jingle Ball 2017

Emma McIntyre/Getty Images for iHeartMedia

Skeet Ulrich, Inglewood Jingle Ball 2017

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James Maslow, JoJo Wright, Inglewood Jingle Ball 2017

Alberto E. Rodriguez/Getty Images for iHeartMedia

Hailee Steinfeld, Bay Area Jingle Ball 2017

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Nick Jonas, Bay Area Jingle Ball 2017

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Camila Cabello, Bay Area Jingle Ball 2017

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Niall Horan, Bay Area Jingle Ball 2017

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Demi Lovato, Bay Area Jingle Ball 2017

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Halsey, G-Eazy, Bay Area Jingle Ball 2017

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Liam Payne, Bay Area Jingle Ball 2017

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Charlie Puth, Bay Area Jingle Ball 2017

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Taylor performed a recent recurring set list, which also includes new tracks such as "...Ready for It?" and "Look What You Made Me Do" from her new Reputation album, as well as old favorites "Shake It Off" and "Blank Space."

"New York YOU WERE AMAZING !!!!!!!!!!" she wrote on Instagram. Thanks Z100, what a night."

"Fun night at #jingleball �� @taylorswift," Katie wrote on her own page.

—Reporting by Beth Sobol

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