While being a supermodel is hands-down out of the question for most of us, Heidi Klum's business sense is something that can inspire and motivate any working girl. She's smiling on the cover of InStyle [1]'s December issue and inside the magazine she spells out her five rules for success [2]. The rule below is my favorite.

• Be open to learning new things: "It's not good to think you know it all—I don't think that's cool or smart. I think there's always more things that people teach you. Be confident and open to incorporating certain suggestions!"

Her rule applies all year-round, but it's especially important advice given many companies are now in performance review [3] mode. Notice valuable feedback when it's given to you, and you'll improve overall.