Music powerhouse Pharrell Williams credits his youthfulness (he's 40 years old!) to beauty tips from ageless wonders like Naomi Campbell who told him to always wash with cold water to keep the pores tight. I'm constantly modifying/improving my own beauty routine and as another *ahem* birthday approaches, I decided to look to the masters for advice on how to age gracefully. These four ladies have somehow manage to defy the laws of physics and here's how they say they do it... #beauty #beautytips #beautyroutine #naomicampbell #cindycrawford #claudiaschiffer #imanbowie