'American Idol' judge Katy Perry on Las Vegas shooting: 'Prayer without action is powerless'

Judges Lionel Richie, Katy Perry and Luke Bryan weigh in on the Las Vegas shooting that killed 58 and injured more than 500 .
4:29 | 10/04/17

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Transcript for 'American Idol' judge Katy Perry on Las Vegas shooting: 'Prayer without action is powerless'
You can see we have a big morning here in times square with the judges for "American idol." Come on, give it up one more time. You're feeling -- something else, just for a moment here that you also share, Las Vegas is not far from any of our minds and neither of yours and I know you have residency, Katy at a recent concert you devoted some time to the victims and their memory and, of course, it was a country music festival where this happened, Luke. Is there something you want to share about that? Well, go ahead, Lionel. You know what it is, live performances to us, that's the heartbeat, because we get to meet the fans. We see the fans. I cannot tell you -- we look at the faces every night on stage. We live for that and, of course, they blow the kiss, they say every word to us and to think for a moment that we're -- we are now getting to a stage now where live performances are in jeopardy because we have to -- the worst nightmare we ever have in life is something like that would happen but you always have in the back of your mind is, nah, that would never happen and when it finally happens, it's terrifying. I worry so much about the fans in terms of we have to find that one place where we can feel like let's let it go. Let's relax and I happen to know, well, you know who was on stage so I'll let you tell that story. Yeah, as entertainers, you look at your fans, you're not up there to do anything but connect with them. They're not -- I laid in the bed and when they showed the faces of the victims, there are fans. They embody America. It's not -- it's country music festival but it's America and it's bigger than just -- it's just bigger than -- it goes so far beyond. You know, you heard about it at the Ariana grande concert. Yeah. And now here it is in front of us and I mean it was one of the most heartbreaking days of my life and for this country too and I talked to Jason aldean very early that morning and hearing one of your best friends shaken up like that, knowing they'll never be able to unsee these things and I don't know, you get lumps and you get nauseated and Katy and I and Lionel talked about it. There's got to be something we can do from the mental health issue to all of the issues that are causing these things and it's heart -- I don't even know. I think it's horrible. I think it continues to be horrible and I think that, you know, I think that everybody feels like their heart has just been ripped out of their chest and we just don't know when it's going to happen again and I think we're all trying to figure out the answers and I'm not saying I have the answers and I pray every day and my prayers and my thoughts but I think the one thing that we have to remember is that prayer without action is powerless. Thank you. And we have to have some action and we have to take an unfortunate good, hard look at what our roles and our boundaries are with gun reform, no one can saying take away your guns but we just don't necessarily need assault rifles, assault weapons, we need, I think, a good, hard look at gun reform and, you know, the hands that these guns are being placed in and I just think that's kind of one of the answers and we have to put our foot down more than just sending our condolences. Because honestly like I get really sick to my stomach just everyone seeing, you know, sending their condolences and then going back to selfieing, you know, and doing their regular stuff. It's like that is not enough. When is it going to be enough? And I mean I don't know the answers and I know it's a touchy subject but I think we really have to take a good, hard look at it as -- As a society. As a society. Thank you. Thank you for your heartfelt words.

This transcript has been automatically generated and may not be 100% accurate.

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