Kara and Hope after

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Kara and Hope are styled head to toe in Diane's line, DVF. "I was excited to do this, but I think it's important that when you do a makeover, you create something that won't just be for a moment," Diane says. "Don't they look divine?"

After some serious salon time, Ken tames Kara's frizz into sophisticated, sleek curls. What is Ken's secret? "I took her mousse away. She was using way too much, too [many] products. ... Less is more," Ken says. "It's important that you embrace your beauty and don't deny it."

Since Kara is a teacher and mom on the go, Collier makes sure she gets the one product that can improve a woman's look in seconds—lipstick! "That's the most transformative product not only for the face, but for the woman," Collier says. "If you're feeling down, wear the most bold color you have."

Kara's look: Jori Dress, Athena Cape, Zia Shoes, Harper Bag and Cambell Scarf, all by Diane von Furstenberg. Available at DVF.com.

Hope's look: Issie Top in brick red, Georginne Pant, Margee Coat in toast, Theia Sandal, Harper Bag and Cambell Scarf, all by Diane von Furstenberg. Available at DVF.com.