The secret's out: Those stars who look like they rolled out of bed (or yoga class) glowing and gorgeous? Not necessarily so. "There's a relaxed feel to this season's beauty," says makeup artist Emma Kotch, who works with Kate Bosworth. "But don't think it's easy. It's actually more challenging because you have to soften everything." We asked pros (and one of the stars herself) to describe how they create a bare-faced effect (from foundation to mascara) on four actresses with a range of skin tones. Click through our gallery to find out how to achieve the beauty look of summer!