June 30, 2015 01:00 PM

Think lingerie photos don’t get better with age? Heidi Klum is here to prove you wrong. The 42-year-old supermodel and intimates designer mogul shared a few exclusive behind-the-scenes photos from the latest shoot for her line, Heidi Klum Intimates. So yes, we wanted to find out her secrets for producing effortlessly sexy pics.

“I don’t really have a ritual before I shoot,” she tells PEOPLE. “I like looking fit all the time — not just for a shoot — as you never know when your clothes come off! When I first started modeling 20 years ago, I had to make some overall lifestyle changes … It’s been a big part of my job to make sure that I’m fit on a regular basis. For me, that means drinking a lot of water, eating super healthy and making sure I sleep 8 hours a day. That doesn’t always work with my schedule, but I try! I also try to hit the treadmill 2-3 times a week.”

Courtesy Heidi Klum Intimates

Klum does have a few modeling tricks up her sleeve, and one of them hits really close to home. “I remember when I first started shooting swimwear and lingerie, and the advice photographers always gave me was to not over-pose,” she reveals. “No overarching, duck faces or strange poses so it doesn’t look like you are trying too hard. Even though [photographer] Francesco Carrozzini is behind the camera, I look into the lens and I think about my boyfriend.” She’s talking about boyfriend Vito Schnabel, 27, whom she’s been dating for over a year.

Courtesy Heidi Klum Intimates

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But the vibe created by Carrozzini is important to get glamorous results like Klum’s. (Though it certainly helps that she has amazing pros helping her achieve “tousled, sexy bedhead hair, smoky eyes and tanned glowing skin all over”). “He has a way of making everything look effortlessly sexy,” she explains. “He keeps the set very minimal and plays great music. We just kind of get in the zone relaxing on a couch or rolling around on a carpet on the floor.  I always know when we have the shot and then we move on to the next one.”

Courtesy Heidi Klum Intimates

Courtesy Heidi Klum Intimates

Tell us: Do you think Vito Schnabel is a lucky guy? Are you loving Heidi’s sexy new collection?

–Catherine Kast

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