When OC was a little girl, Dorothy's ruby slippers were the most coveted shoes in her world -- but Xtian Louboutin seriously KO's it with his 8-inch-heel ballerina slippers that were created for an English National Ballet fundraiser. Unwearable, sure, but all of OC's Louboutins are carefully rationed -- that red sole disappears almost immediately, especially on Milan's unforgiving cobblestones.