They can still make the whole place shimmer.

Selena Gomez and her younger sister, Gracie Elliot Teefey, stole the show at Taylor Swift’s Eras Tour stop in Arlington, Texas, Saturday – singing and dancing the night away.

The “Calm Down” singer, 30, and her stepsister, 9, were spotted in a private area toward the back of the floor at AT&T Stadium, as seen in pics and videos going viral on social media.

One clip showed Gomez seemingly getting emotional while she smiled and applauded in cadence with the thousands of other fans who showed up to support Swift, 33.

Gracie also appeared to be having the time of her life – especially when Swift knelt down while singing “22” and gave her her black fedora hat.

In exchange, Gracie adorably gave the songstress a friendship bracelet.

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The sisters were also seen hopping on a VIP golf cart and walking around the halls of the stadium before and after the show.

Fans were quick to point out that Gomez wore a look resembling Swift’s “Folklore” era. She sported a white midi skirt, white T-shirt and an oversized, cream cardigan – just like the one Swift gifted fans and wore in her “Folklore” music video. The “Wizards of Waverly Place” alum completed her look with simple glam and her hair pulled back into two low buns.

Meanwhile, Gracie went all out for her big night in a purple dress and metallic cowboy boots, channeling Swift’s “Speak Now” era, with her hair in a curly ponytail.

As previously reported, Swift and Gomez have been best friends ever since they met in 2008 while Gomez was dating Nick Jonas and Swift was seeing his brother Joe Jonas. The two have since shared several milestones together, with Gomez recently calling Swift her “only [real] friend in the industry.”

“I never fit in with a cool group of girls that were celebrities. My only friend in the industry really is Taylor [Swift], so I remember feeling like I didn’t belong,” Gomez said in a November 2022 interview with Rolling Stone.

Gomez even came to Swift’s defense after a resurfaced video of Hailey Bieber gagging upon hearing Swift’s name during a public appearance went viral. “So sorry, my best friend is and continues to be one of the best in the game,” she commented in February.