Structured waves have been around forever—they're just a classic, stunning hair option, and they always look amazing on the red carpet. But Reese Witherspoon found a way to make them look a little fresher at the Palm Springs Film Festival, and it has something to do with her makeup. Makeup artist Molly Stern chose a bright neon-y pink lipstick to pair with the waves (created by Jen Atkin). It's a youthful, fun twist that keeps everything a little lighter and freer—the perfect way to make this glam hairstyle approachable and almost friendly. Which is great because "friendly old-Hollywood glam" sounds like something we can all get behind. So remember: Structured waves + bright pink lips = approachable pretty. It's your 2015 formula for foolproof prettiness. Speaking of Witherspoon and awesome things, check out our behind-the-scenes video of the star at her recent cover shoot with us talking about why she's a feminist: