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Expect to see rare breeds such as a Newfoundland, a large working dog that is 1.6m tall standing on its hind legs, and a tiny teacup poodle which weighs just 2kg and, at 18cm, not much taller than a real teacup.
Other quirky events include a contest for the fluffiest rabbit, judged by blogger Wendy Cheng, better known as Xiaxue.
It wears a T-shirt to protect its sensitive skin, and has a healthy diet of raw meat, coconut water, Vitamin E, glucosamine and collagen powder, as do Ms Wee's two other dogs - a Schnauzer and a Scottish Terrier.
Take property agent Daphne Hoon, 40, who is entering her Persian cat in the cat selfie contest and the cat show.