STAR INSPIRATION Gabrielle Union
EXPERT TIP "I like a tomato red with yellow undertones. That extra depth adds a little light, so that you don't just have one flat field of color on your lips," Stiles advises.
EXPERT PICK Nars Lipstick in Heat Wave ($24, narscosmetics.com). "This is my perennial favorite tomato red," says Stiles.Read MoreLess