When Katy Perry hit an L.A. karaoke stage with pal Robert Pattinson in 2008, little did she know she'd be talking about it now.

But the hilarious video, showing the celebs' sloppy rendition of Boyz II Men's 'I'll Make Love to You,' became a viral sensation when it leaked last week, so of course she was asked about it -- and her relationship with the 'Twilight' star -- when she appeared on an Australian radio show yesterday (Oct. 29).

"Well, there's the media for you, nothing is sacred, not even karaoke," Katy joked. "Yeah, no I mean, we were just hanging out and we have a lot of friends that we hang out, one of my best friends is a mutual friend of ours and we got wasted and did karaoke like people do."

"It's like if you're a girl you can't be friends with that guy, that poor guy, I mean come on," she added. "I feel for him, I feel for him."

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