Julia Roberts is a Swiftie!

The Leave the World Behind talent, 56, has no problem sharing her love for Taylor Swift with the world. In fact, one of Roberts’ first big concerts that she took her family to was to see the pop star. And the actress even joined Swift onstage.

The iconic moment happened during Swift’s August 2015 Santa Clara, Calif., stop for the 1989 Tour as “Style” played.

Roberts has discussed her dance with the 34-year-old “Shake It Off” singer on several occasions.

Speaking to Extra TV that same month, Roberts said her big moment (which also featured a dance break with Joan Baez) was 100% unplanned, adding that she would have prepped more had she known it would happen.

“I would have washed my hair. I was, like, wearing a ponytail and leggings, tennis shoes,” Roberts said.

Moments before taking the stage, the Pretty Woman star met Swift backstage with her kids — twins Phinnaeus and Hazel, who were 10 at the time, and Henry, who was 8.

“They had never been to a concert before and they were big fans and she said, ‘Would you mind coming on stage during the song and dancing?’ ” Roberts recalled.

Before agreeing, Roberts asked her children what they thought.

“’Oh, Mom, you have to do it!’ and my youngest son said, ‘Only do it if you want to, Mommy.’ It was so sweet!” she added.

During an April 28, 2016 appearance on The Ellen DeGeneres Show, the daytime talk show host, 66, told Roberts, “We’re both now members of Taylor Swift’s squad.”

DeGeneres then played a clip of the Erin Brockovich star dancing with Baez, 83, at the August 2015 show, to which Roberts confessed, “I’ve never seen this.”

“I don’t think that should actually be viewed,” Roberts quipped, as DeGeneres playfully critiqued her dancing skills.

Next, DeGeneres shared her own onstage moment with Swift which showed the comedian dancing in a custom replica of the pop star’s costume.

Roberts also expressed her fandom for Swift while visiting the Tonight Show Starring Jimmy Fallon in December 2023.

At the time, she explained why “Betty,” a track from Swift’s Folklore album, was one of her favorites after Fallon, 49, mentioned Roberts referenced it on social media.

“I love ‘Betty’ and my mother’s name was Betty, so I particularly love ‘Betty,’” she revealed.

More recently, Roberts was spotted at one of Swift’s Eras Tour stops in Dublin talking to the Grammy winner’s boyfriend Travis Kelce, 34, in late June.

Deaf artist and lip reader Jackie Gonzalez went viral on social media for decoding the conversation, which appeared to have Roberts telling the NFL star, “I’m so unusually happy for you guys, and I don’t mean to make you nervous, but it makes me so happy.”