Lady Gaga Joins U2 Onstage at Las Vegas' Sphere

U2 had a very special guest join them onstage during their Las Vegas residency.

On Wednesday, the Irish rock group was joined by superstar singer Lady Gaga for their U2: UV Achtung Baby Live at Sphere residency.

In photos captured of the moment, the 37-year-old "Bad Romance" singer could be seen sporting sunglasses and a black leather jacket, twinning with the band’s lead singer Bono.

The pair took to the stage together as it lit up in various colors. Their images were also projected onto the impressive venue, which sits inside a 366-foot-tall orb near the Las Vegas Strip.

According to Variety, Bono introduced Gaga as “the most audacious, vivacious woman in any room she’s ever in.” He told the crowd, “Would you welcome to our turntable, the divine — the divinyl! — Lady Gaga."

Per the publication, Gaga joined U2 for duets of her A Star Is Born song “Shallow” and their tracks “All I Want Is You” and “I Still Haven’t Found What I’m Looking For.”

But U2 aren't the only rock band Gaga has been performing with recently.

Earlier this month, the Oscar-nominated actress joined The Rolling Stones onstage at the Racket club in New York City to perform their duet “Sweet Sounds of Heaven” from the group’s new album Hackney Diamonds.

U2’s residency at the Sphere began in September and several A-Listers were in the crowd for the opening night, including Orlando Bloom, Snoop Dogg, Jon Hamm, Elizabeth Banks, Dr. Dre and Paul McCartney.

Last week, the group — made up of Bono, guitarist The Edge, bassist Adam Clayton and drummer Bram van den Berg — announced they were adding even more dates to their residency.

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The band listed an additional 11 dates for 2024, bringing the residency to 36 performances in total.