Olivia Palermo
Credit: BFAnyc/Sipa USA;

Olivia Palermo's flawless style is envy-inducing, especially when she finds new ways to reinvent old pieces. Case in point: Her ability to make her jeweled Zara belt work with both a formal gown (in Katie Ermilio at the New Yorkers for Children Spring Dinner Dance) and a casual ensemble (over a LWD at the Metropolitan Museum of Art). Worn in two ways with very different ensembles, Palermo proves just how versatile a fabulous belt can be. Invest in one (like Zara's combination chain belt, $36 at You won't regret it!

Plus, see Olivia's best looks ever.