Barbara Walters apologizes to Katy Perry

LOS ANGELES, Oct. 1 (UPI) -- Barbara Walters apologized to Katy Perry Tuesday for reprimanding the pop star after she was late to their 2011 interview in New York.

"I shouldn't have done the interview: I was playing Madison Square Garden that same night, and I knew that the end of my marriage was coming. I was just exhausted and stressed," Perry told Billboard magazine in an interview that was widely quoted this week.

"I'd prepped everyone that I was running late, but Barbara showed up at the original time anyway. When I got there, I apologized immediately, but then she said to me: 'You know, I've only ever waited for one other person this long, and you know who that person was? Judy Garland. You know how she turned out, right?' I was like: 'Oh, snap! Yes, bitch!'" Perry recalled. "I think it's the coolest thing that Barbara Walters shaded me. I just couldn't tell her as we were sitting down for a mega-interview: 'Hey, my marriage [to comedian Russell Brand] is falling apart. Give me a break.'"

Walters addressed Perry's remarks to Billboard on Tuesday's edition of her chat show "The View."

"Katy, if I made you feel at all unhappy, during a time when you were obviously unhappy, and I didn't know, I'm sorry," Walters said. "But you can't always know!"