Hair's the Scoop

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This recent shot of Naomi Campbell on set in NYC has us wondering if she's just shaved her head for summer, or if all those years of weaves and extensions have taken their toll...

What do you think? Is Naomi losing her hair?

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Naomi Campbell models a partial French twist at the Cannes premiere of "Biutiful."

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Wednesday's 4th Annual White Ribbon Alliance dinner hosted a number of A-List looks, including Naomi Watts' sleek "lob," Natalia Vodianova's romantic waves, and Jessica Alba's chic chignon.

Which of the stars pictured above top your Best Tressed list?

(Clockwise, from left: Naomi Campbell and Gayle King, Naomi Watts, Christy Turlington, Wendi Murdoch and Nicole Kidman, Liya Kebede, and Natalia Vodianova, Geri Halliwell, Iman, Martha Stewart and Shania Twain, Tyra Banks and Molly Sims, and Jessica Alba.)

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From smart suds to faux fringe, these anti-aging innovations can help stop the clock:

Dove Pro-Age Thick & Full Therapy Shampoo
This volumizing cleanser removes build-up, smooths and strengthens, and improves manageability. $3.74, Walgreens.com.

L’Oréal Professionnel Série Expert Age Densiforce Masque
A rich, fast-action conditioning treatment that helps to fortify, nourish and protect mature hair, without weighing it down. $30, LorealProfessionnel.com.

Phyto Phytocyane Revitalizing Serum
An all-natural serum that addresses the oh-so-fun issue of hair loss/thinning, and also delays the onset of grays. $50, Sephora.com.

Avon Advance Techniques Grey Root Touch-Up
Formulated with creatine to strengthen and repair hair, this gentle, peroxide-free color instantly blends away roots until your next shampoo. $5.99, Avon.com.

HairDo Fringe Clip-In Bangs
An easy-to-use, pain-free alternative to dermatological fillers. Use them to hide forehead "flaws," or to add a youthful edge to any look. $190.95, HairUWear.com.

Source: Eric Ryan/Getty Images

Pictured here with Mario Testino and Naomi Campbell, Claudia Schiffer's long, healthy-looking locks stole the show at Yves Saint Laurent earlier today.