A Chinese Crested dog named Chase walks on stage during The World's Ugliest Dog Competition in Petaluma, California on June 23, 2017. Photo: AFP

Miriam Tcheng holds her Brussel Griffon Pug 'Moe' during The World's Ugliest Dog Competition in Petaluma, California on June 23, 2017. Photo: AFP

A Chinese Crested dog named Chase looks on during the 2017 World's Ugliest Dog contest at the Sonoma-Marin Fair on June 23, 2017 in Petaluma, California. Photo: AFP

Martha, a Neapolitan Mastiff, shakes water off her head after winning this year's World's Ugliest Dog Competition in Petaluma, California on June 23, 2017. Photo: AFP

Dane Andrew of Sunnyvale, California, pets his Chinese Crested dog named Rascal during the 2017 World's Ugliest Dog contest at the Sonoma-Marin Fair on June 23, 2017 in Petaluma, California. Photo:AFP

Dane Andrews helps stop his dog Rascal from jumping off the judging table during The World's Ugliest Dog Competition in Petaluma, California on June 23, 2017. Photo: AFP