Dane Andrew (L) of Sunnyvale, California, and Storm Shayler (R) of Neath, UK, take a selfie with their dogs before the start of the 2017 World's Ugliest Dog contest at the Sonoma-Marin Fair on June 23, 2017 in Petaluma, California. Martha, a Neapolitan Mastiff, became the World's Ugliest Dog during the Sonoma-Marin Fair. 

Heather Peoples of Phoenix, Arizona holds her Chinese Crested dog Archie after he was crowned the World's Ugliest Dog at the 18th annual World's Ugliest Dog competition June 23, 2006 at the Sonoma-Marin Fair in Petaluma, California. The winning dog takes home a $1,000 dollar prize.

Jon Adler kisses his dog Icky, a Chinese Crested, before the start of the 25th annual World's Ugliest Dog contest at the Sonoma Marin Fair on June 21, 2013 in Petaluma, California. Dogs from all over the country are competing for the honor of being the world's ugliest dog.

Walle, a basset beagle mix, walks on stage after being crowned the winner of the 25th annual World's Ugliest Dog contest at the Sonoma Marin Fair on June 21, 2013 in Petaluma, California. Walle, a basset and beagle mix won the honor of being the world's ugliest dog. 

Walle, a basset beagle mix, sits on stage during the 25th annual World's Ugliest Dog contest at the Sonoma Marin Fair on June 21, 2013 in Petaluma, California. Walle, a basset and beagle mix won the honor of being the world's ugliest dog. 

Mike Rose holds his dog Roman, a Mexican hairless, for the audience during the 25th annual World's Ugliest Dog contest at the Sonoma Marin Fair on June 21, 2013 in Petaluma, California. Walle, a basset and beagle mix won the honor of being the world's ugliest dog. 

Josie, a Chinese Crested, looks on before the start of the 25th annual World's Ugliest Dog contest at the Sonoma Marin Fair on June 21, 2013 in Petaluma, California. Dogs from all over the country are competing for the honor of being the world's ugliest dog.

Penny, a Pug, looks on during the 25th annual World's Ugliest Dog contest at the Sonoma Marin Fair on June 21, 2013 in Petaluma, California. Walle, a basset and beagle mix won the honor of being the world's ugliest dog. 

Ty Oppelt holds his dog Ellie Mae, a Chinese Crested, during the 25th annual World's Ugliest Dog contest at the Sonoma Marin Fair on June 21, 2013 in Petaluma, California. Walle, a basset and beagle mix won the honor of being the world's ugliest dog.

A Neapolitan Mastiff named Martha sits next to a trophy after after winning the 2017 World's Ugliest Dog contest at the Sonoma-Marin Fair on June 23, 2017 in Petaluma, California. Martha, a Neapolitan Mastiff, became the World's Ugliest Dog during the Sonoma-Marin Fair. 

A Chinese Crested dog named Rascal looks on during the 2017 World's Ugliest Dog contest at the Sonoma-Marin Fair on June 23, 2017 in Petaluma, California. Martha, a Neapolitan Mastiff, became the World's Ugliest Dog during the Sonoma-Marin Fair. 

A Neapolitan Mastiff named Martha rests on the stage after after winning the 2017 World's Ugliest Dog contest at the Sonoma-Marin Fair on June 23, 2017 in Petaluma, California. Martha, a Neapolitan Mastiff, became the World's Ugliest Dog during the Sonoma-Marin Fair. 

Contestants hold their dogs as they wait for the start of the 2017 World's Ugliest Dog contest at the Sonoma-Marin Fair on June 23, 2017 in Petaluma, California. Martha, a Neapolitan Mastiff, became the World's Ugliest Dog during the Sonoma-Marin Fair. 

Miriam Tcheng holds her Brussel Griffon Pug named Moe during the 2017 World's Ugliest Dog contest at the Sonoma-Marin Fair on June 23, 2017 in Petaluma, California. Martha, a Neapolitan Mastiff, became the World's Ugliest Dog during the Sonoma-Marin Fair. 

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. Martha, a Neapolitan Mastiff, became the World's Ugliest Dog during the Sonoma-Marin Fair. 

A Chinese Crested dog named Chase walks on stage during the 2017 World's Ugliest Dog contest at the Sonoma-Marin Fair on June 23, 2017 in Petaluma, California. Martha, a Neapolitan Mastiff, became the World's Ugliest Dog during the Sonoma-Marin Fair.