Lady Gaga surprises U2 on stage at Las Vegas Sphere, sings 'Shallow

Watch Lady Gaga Perform 'Shallow' With U2 in Las Vegas Sphere

Lady Gaga, U2 -Sphere Vegas -

Watch: Lady Gaga Joins U2 for Three Songs at Sphere, Including Her

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See U2 Play 'Seconds' for First Time in Nearly 40 Years at the Sphere

Las Vegas 'Sphere' venue opens today, (9/29) U2 playing first 25

Betty Mae Casting on Instagram: Happy Music Monday! Lady Gaga

Lady Gaga joins U2 on stage in Las Vegas - The Music Universe

Lady Gaga Does Surprise Performance Of 'Shallow' With U2 At Las

The audience loved singing along!!! #shallow #ladygaga #u2

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