Jack Antonoff and Lana Del Rey in Los Angeles in October 2019.Photo:Rebecca Sapp/Getty

Rebecca Sapp/Getty
Lana Del ReybroughtJack Antonoffout on stage on Sunday to play a very special song live for the first time.
At All Things Go Festival outside of Washington, D.C., the songstress, 38, invited her frequent production partner, 39, out to perform two songs during her headlining set. Fanscapturedfootageof the duo playing their collaboration “Margaret,” off Del Rey’s recent albumDid You Know That There’s a Tunnel Under Ocean Blvd, live for the first time, as well as 2019’s “Venice Bitch.”
There was even a special guest in the crowd. Antonoff’s wife and the subject of the song, actressMargaret Qualley, wasseen sittingin the crowd just before the front of the stage.
“He’s here with his beautiful wife Margaret,” the singer-songwriter said as the Bleachers frontman came out, surprising the crowd. “So, we’re going to do a little jam.”
The duo first played “Margaret,” marking the sweet song about Antonoff and Qualley’s romance it’s onstage debut. Antonoff played acoustic guitar and sang his charming verse, while the “A&W” artist gave a sweet performance, frequently smirking throughout.
“When you know, you know / When you know, you know / It kinda makes me laugh, runnin' down that path / When you’re good, it’s gold / ‘Cause when you know, you know,” the singer crooned to the audience and her friends.
Lana Del Rey performs in July 2023 in London.Matthew Baker/Getty

Matthew Baker/Getty
The crowd was thrilled that Antonoff made an appearance, and screamed even louder as he and Del Rey performed a second song together as soon as “Margaret” wrapped. They then launched into a stripped-back, hypnotic rendition of the fan-favoriteNorman F—ing Rockwellsong “Venice Bitch.”
The star also shared clips of her performanceon Instagram, expressing her gratitude to theMaidstar and “I Wanna Get Better” singer in the caption. “Thank you for the full moon show, Baltimore,” she wrote. “And to Jack and Margaret for coming. 🖤🎥.”
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In addition to a handful of recent festival appearances, alternative star is currently on a10-date runof fall North American tour dates.
The rocker also recently released “Modern Girl,” the first single from his upcoming fourth studio album with his band Bleachers.
source: people.com