Decker shared her transformation with her followers on Twitter, praising the men behind her new 'do: "Chopped my hair OFF today!! Thank you!! I love!! @jasonhueman @tedgibson."
But the bombshell didn't donate her cover girl locks. She had us fooled as a natural blonde, but it sounds like even this beach beauty needs some artificial enhancement. "My hair was colored so I couldn't [donate]," she tweeted.
Ten inches may be all it takes to transform this model into an on-screen leading lady. She made her film debut in "Just Go With It" alongside Adam Sandler and Jennifer Aniston, and this new choppy 'do may be an indication of future film roles to come.
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Watch the how-to video below for pro tips on blow-drying short hair.