Jennifer Lopez and Alex O'Loughlin The Back-Up Plan Press Conference

Alex O'Loughlin: (Continued) "But I did get kind of fit for the film. Todd Black who is sitting at the back snickering at the moment, our producer, offered me a trainer. I was like, 'No, I’m okay.' He was like, 'Take the trainer.' I was like, 'All right. I don’t know what you’re saying.' But I took the trainer. I met this guy, Jeff Blair, who is still with me."
"You know, it’s a lot of what Jennifer was just saying she went through after the birth.

I felt like I had just given birth. He was like, 'You can’t eat anything but this. You’ve got to do what I say.' So, along with doing the film I did this kind of disciplined workout regimen. Because every cheese farmer is ripped and buff and I wanted to be true to character. But it took a lot of hard work to get there. You can rest assured in the fact that it’s all gone now."

Could you talk about shooting the love scene?

Alex O’Loughlin: "I mean love scenes…first of all, it's PG-13."

Jennifer Lopez: "But still, even as an actor when you have a kissing scene it’s still weird."

Alex O’Loughlin: "It’s weird. I’ve never done a kissing scene with someone…"

Jennifer Lopez: "Even when you like the person."

Alex O’Loughlin: "Yeah, even when you’re friends. I mean that sort of even makes it weirder. If you don’t know them or like them at all, you can kind of put some weird like…I don’t know. It’s the strangest thing."

Jennifer Lopez: "We know we have to do it. We signed on for it. Even when it’s not PG-13 and you sign on for it, you know that it’s something you’re going to have to do.

But it’s one of the things it’s like, 'Eh, the love scene’s coming up.' You know what I mean? Always, for me anyway."

Alex O’Loughlin: "It’s strange for me too. I don’t know if it’s different for guys than it is for girls. Sometimes people say men can switch up. But it’s very strange for me, especially knowing Jennifer’s married. I made friends with Marc at the same time I made friends with Jennifer. He’s a great guy. I mean there’s so many reasons why it is weird. You know? So, you kind of just plow through it, try to make it as honest as possible, and then apologize profusely and get on with the rest."

Would he come on the set on those days?

Jennifer Lopez: "No."

Alex O’Loughlin: "He was actually just behind camera with a taser aimed at my bottom. 'Go on mate,' he said."

Jennifer, in the movie you have the pregnancy pillow that you’re just absolutely enamored by. During your pregnancy did you have any sort of pillow or anything that Marc might have not liked that he got rid of?

Jennifer Lopez: "Okay, you’re going to love this. I had twins, so it was really uncomfortable, because you lay on one side and there’s a baby and you lay on the other side and there’s a baby. So, I had a really hard time with it. So, I did have this really big pregnancy pillow. It was actually firm, very hard. Marc still sleeps with it to this day. Literally, while I was pregnant he was like, 'I want one of those.' And he got one."

Were you as horrible to Marc during your pregnancy as Zoe was to Stan?

Jennifer Lopez: "You thought she was horrible? I thought she was pretty normal. No, actually I had a lovely pregnancy. It was a beautiful, magical time for us. But of course there’s moments where you feel, like in the movie…it’s just so much going on with your body and so much going on hormonally that you don’t have time to deal with anything but that. I think it was really true to life the way we portrayed it in the movie."

What’s one part in the movie that you really identified with?

Alex O’Loughlin: "I have a 12 year old. I was there when he was born. He’s the center of my universe and always has been. I’ll never forget the day he was born. I mean, I kept it together. I was pretty good I think. I was supportive. But really, that scene in the water birth when Stan comes in and goes, 'Oh my god.' I mean that’s what was happening inside of me. I think really that’s what happens inside every man when he witnesses childbirth. It’s just like, 'Please don’t faint. Dear lord, what’s happening?' So, that was pretty funny. That was just an expression of my inner self when I actually was there."

Jennifer Lopez: "I mean for me just the experience of being pregnant was something that I obviously could relate to. All the different feelings and emotions and everything in the script, there was just so much for me in there that I related to and loved playing. Just everything. It was just perfect timing for me."

And Alex, you're going to be starting in the new Hawaii Five-0. How does it feel to be stepping into that iconic role?

Alex O’Loughlin: "Okay. I’ve been given direct orders not to talk about it. I’m allowed to say like three things about the show. So, I’ll tell you first of all I’m deeply grateful to live and work in this country and to the United States for opening its arms to me the way it has. I mean I think my attitude as an Aussie coming here - I’ve been coming here for a while now, I’ve been coming here for about 12 or 13 years - is that this country has afforded me and my family work and security. For that, I’m forever grateful."

"As an extension of that, being accepted to the point and loved to the point by you guys that I’m allowed to step into some [big] shoes to play a character like Steve McGarrett in Hawaii Five-0 is massive for me. I mean it’s not lost on me the significance of that. It’s good. It’s the biggest pilot CBS has ever shot, I believe. It’s the biggest pilot I’ve ever shot. If I took my shirt off, I look like a beaten piece of beef. I’ve sort of been getting thrown out of tanks and beaten around the island of Oahu for a couple of weeks. I’ve just come back. So, I’m very, very excited about it. I hope the fans really enjoy what we’ve done."

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The Back-Up Plan hits theaters on April 23, 2010.