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If you don’t have time to hit the gym but want legs as amazing as Jennifer Lopez‘s, try skin-highlighting makeup. “Legs look leaner and more toned when they have a bit of a glow,” says N.Y.C. makeup artist Linda Hay, who suggests exfoliating weekly for a smooth base. A gradual tanner can add a hint of color over time, but if you want instant results, go with bronzing lotion like Scott Barnes’s Body Bling (pictured, $38 at scottbarnes.com). Apply in a circular motion to prevent streaking. To create the illusion of slimmer legs, dab a touch of highlighter down the center of each leg, blending well to ensure a natural effect.

To enhance Camilla Belle‘s flawless complexion and natural glow, makeup artist Fiona Stiles, who works with Belle, uses a light touch. “The key is to keep [makeup] from looking caked on,” says Stiles, who first preps the star’s skin with a featherweight moisturizer to create an even canvas. Next, she smooths on luminous foundation sparingly. For a natural rosiness, she suggests swirling soft pink blush just under the cheekbones (choose a bronzer if you have darker skin). She finishes with a dusting of loose powder. “It keeps the makeup looking fresh,” Stiles says. Click on for products you can use to get Belle’s glow.

One look at Amanda Seyfried’s enviable thick blond tresses, and it’s easy to see why she landed the cover of this year’s InStyle Hair issue. And even though she’s been blessed by the hair gods, Amanda says she’d give it all up in a second: “I would chop [my hair] all off for a movie, but the role would have to be worth it.” For more of our exclusive interview with Amanda (and 125 pages of amazing hair tips, products and tricks!) pick up InStyle Hair, on newsstands Friday!