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Karlie Kloss, Dior Mascara

Peter Michael Dills/Getty Images; Dior

When it comes to beauty secrets and top-performing products, models are undoubtedly privy to knowing about the very best.

After all, they spend countless hours with makeup pros and are paid to look drop dead gorgeous on a daily basis. 

So when we sat down with Karlie Kloss at the launch of the Victoria's Secret swimwear collection in Los Angeles, we were dying to know about the one must-have item in her makeup bag.

Turns out, the leggy lady can't do without the cult-favorite Diorshow mascara.

"I'm all about lashes and mascara. A good mascara can work wonders!" she told us. "Diorshow is a great mascara, especially if you're like me and you like to keep the focus on the eyes."

The luxury lash-lenghtener is a bit of a splurge, but we can attest the benefits are well worth it.

Fluttery, flirty Kloss-approved lashes this spring? Count us in!