More than 20,000 dogs will take part, with thousands of visitors attending.
And the first pampered pets have been pictured at the competition, with many dressed in their best clothes for the occasion.
One dog stood out from the crowd in a colourful bodysuit, while another wore a blue coat with green leg warmers and a purple hood.
Molly the German Spitz wrapped up in a fleece. A Border Terrier made their entrance in style on a dog-sized skateboard. Two more dogs looked very patriotic in Union Jack onesies.
Meanwhile, a tiny white dog kept out of the cold in a pink stroller.
And a chilled-out Poodle took it all in their stride, resting their head on a bone-shaped cushion as their fur was groomed.
Other owners could be seen using hair spray and brushes to style their dogs.
INTERESTING FACT ABOUT YOUR PET: Nearly 80 million U.S. households have a pet, and 42 percent of those households have more than one, according to a 2015-2016 survey by the APPA. There are 77.8 million pet dogs in the U.S. and 85.8 million pet cats.
Crufts’ website describes the event as the ‘greatest dog show in the world’.
There are six arenas with dogs competing in categories including agility, obedience and heelwork to music.
The highlight is the best in show competition which takes place on Sunday.
This year’s event has gone ahead despite fears over the coronavirus outbreak.
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