40s: Christy Turlington
"Regardless of your age, red lipstick makes a bold statement," says makeup artist Emily Kate Warren. To keep the focus on your lips, go for minimal makeup elsewhere.
40s: Garcelle Beauvais-Nilon
Prevent your lipstick from migrating onto your teeth with this trick: After applying the color, close your lips around a Q-tip and pull it out of your mouth, advises Warren. "It will remove the excess closest to your teeth."
40s: Salma Hayek
For a big night out, go glam and pair your red lips with smoky eyes, says Warren.
40s: Lucy Liu
For the most even application, let your lips go a bit slack when you slick on your lipstick. "Puckering too much makes it hard to get a perfect finish," says CoverGirl celebrity makeup artist Molly Stern.
40s: Catherine Zeta-Jones
Prep your lips with a nongreasy balm before you apply a red lipstick. "It'll temporarily plump up your mouth and fill in any cracks," says Stern.