The duo also teamed up to sing “Highway to Hell.”
Christmas came a few days early forLady Gaga, who just met a fellow music legend.
Seconds later, who should appear by the driver’s seat butAC/DCfrontman,Brian Johnson.

Lady Gaga and Brian Johnson.Monica Schipper/Getty; Sergione Infuso/Corbis via Getty
“Hello, my darling, Johnson greeted, earning shocked laughter from Gaga.
My little Lady Gaga.
“You brought me Brian Johnson?

Lady Gaga in “A Carpool Karaoke Christmas”.Apple TV+
The musicians then shared a hug before Johnson took the wheel of the Range Rover.
“You guys ready to rock?”
Lowe asked, to which Gaga replied, “This isthemoment.”
From there, Johnson and Gaga began a duet of the AC/DC hit, Highway to Hell.”
Im using my secret weapon, Johnson assured her.
Were all gonna die,” Gaga answered, shielding her eyes.
The surprises didn’t stop there.
After their duet, Gaga dropped a nugget of info that was clearly a revelation to Johnson.
You wanna hear something funny?
Johnson, shocked, replied, No you werent!
Apple TV+
I was 17, and I was an extra in the back," Gaga explained.
“I was headbanging and they were like, ‘Hmmm.
Dont head bang, we want it to be modern.’
And I was like, ‘No, theres only one move that I can do.'”