"Hello, my darling," says Johnson as he approaches the car, surprising Gaga who starts laughing in shock. "My little Lady Gaga. My little darling." "Oh my God! You brought me Brian Johnson?" ...

Seconds later, who should appear by the driver's seat but AC/DC frontman, Brian Johnson. "Hello, my darling,” Johnson greeted, earning shocked laughter from Gaga. “My little Lady Gaga.

Brian Johnson tells Dan Rather about writing for the 'Back in Black' album and being challenged to write lyrics. Talk about a tough choice! Two legendary singers enter, but you'll vote on which ...