Fall and butterflies might not go hand in hand (uh, wing in wing), but as model Bar Refaeli proves, any time is the right time to add a touch of whimsy to your beauty look. At yesterday's 2011 Whitney Museum of American Art gala, Bar wore a frothy Marchesa gown paired with a trendy braided updo. But the pièce de résistance, however, was the Lorraine Schwartz butterfly brooch affixed to the side of her hair. Not only does a buggy accessory make a perfect conversation piece, but it's also a great way to channel your inner kid every now and then. Shop the widget below to create your own buzz.