Dog beauty contest may have been the norm. However, a contest that was held in Petaluma, California, United States, Friday (24 / 6), just compare the appearance of an ugly dog. In a championship that was held as one part of the Sonoma-Marin Fair, crossbreed dog Chinese Crested and Chihuahua named Yoda managed to clinch the title 'World's Worst Dog'. (Photo: AP Photo / Noah Berger)