The celebrity pets to participate in the fair include Gluta the dog, Johnny the cat, and Matche the dog.
Glebova, who is the ambassador for Soi Dog Foundation, will join Nathaporn Temirak, alias Taew, of Channel 3 to join the fair.
Participants can post for photos with celebrities at the Insta Printa booth.
Visitors can also seek advice from veterinarians.
Proceeds of the fair will go for activities to help street cats and dogs by the Soi Dog Foundation.
People, who want to help street cats and dots, can give donations at all branches of Family Mart as well.