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Katharine McPhee is such a Smash that she is one of the lucky twelve to make our “Sexy Dozen” list (which also includes Ewan McGregor) for InStyle‘s new June issue. And we’ve just released footage of the steamy shoot! Go behind-the-scenes of the Smash star’s boxing ring-side photos, and see the actress knock out some seriously sultry poses (Marilyn would be proud). “To me, Marilyn Monroe was sexiest when she wasn’t aware of it—it just came from within,” said McPhee, who portrays the blonde bombshell on the NBC hit show. Watch the exclusive video above, and see who else made our Sexy Dozen list in the June issue, on newsstands Friday.

See Katharine and more stars as Marilyn Monroe.

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• Meet InStyle’s June Cover Girl
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— Leah Abrahams

Break out the tissues—The Vow DVD comes out tomorrow! To celebrate the release of the Rachel McAdams and Channing Tatum tearjerker, check out this exclusive behind-the-scenes clip of the film’s wedding scene, complete with commentary by producer Jonathan Glickman. “The pairing of them together worked really great for the movie,” Glickman says of McAdams and Tatum. “They both have extremely great personas. They’re funny, and they’re dramatic and they’re emotional.” And so fun to watch! Pre-order The Vow on DVD for $17 at amazon.com.

Plus, see our favorite small screen weddings!

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• Channing Tatum on The Vow
• The Vow Wedding Ring: All the Details!
• Celeb Brides of 2011 More

— Caitlin Petreycik

YouTube is getting a dose chic today with the launch of TheStylish, a new channel of original fashion and beauty Web programs, all from Magical Elves, the creators of Project Runway. InStyle has teamed up on two: Makeover Wars, which features women coached by style gurus who are their boyfriends and moms (gulp!), and 10 Ways to do everything better. “We’re bringing the voice of the magazine to life,” said David Kleiler, head of TheStylish programming. The first 10 Ways show—watch it above—offers tips and tricks for getting ready for summer, complete hula hoops, DIY scrubs, and double-duty swimsuits. Other shows include In Stitches, which takes a lighthearted look at the hottest trends, while Dirty Little Beauty Secrets reveals all—and then some (leech therapy?!). Head over to youtube.com/thestylish to watch all of the programs and subscribe to the channel now.

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The new issue of InStyle Hair is on newsstands now, and as an exclusive online-only treat, we stepped into the salon with pro hairstylist Harry Josh to find out exactly how he creates three of our favorite go-to ‘dos. Catch his step-by-step tutorials for the (1) perfect blowout, (2) romantic curls, and (3) the causal weekend bun by clicking over to instyle.com/hairvideos now. Watch a preview of the how-to clips above, and get more not-to-miss hair information (and inspiration!) in the new issue of InStyle Hair, on newsstands now.

Plus, would you wear one of these 13 easy hairstyles this spring?

In the new issue of InStyle Hair—on newsstands today—cover girl Emmy Rossum boasts several amazing hairstyles, including a Grecian-inspired double-braid crown. Surprisingly, this intricate plait is simpler to pull off than you think, especially with the step-by-step instructions from star stylist Peter Gray in our exclusive how-to video. Just pick up the issue, turn to page 6, and scan the barcode in the top right corner to unlock the clip. Preview the video above, and happy styling!

Plus, take a look at our 13 easy hairstyles for spring in the gallery!

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