STAR INSPIRATION Kristen Bell

EXPERT TIP "If you've got light hair and skin, go for a true red," says makeup artist Fiona Stiles, whose regular clients include Halle Berry, Elizabeth Banks, and Paula Patton. And what exactly is a true red? "It's got just the teeniest bit of blue in it," she explains. "That hint of coolness will help downplay any ruddiness in your skin."

EXPERT PICK Lipstick Queen Sinner in Red ($18, spacenk.com). "I love this formula because even though it's matte, it still goes on easily and doesn't feel dry or chalky," says Stiles.