PHOTOS: 42nd annual Houston World Series of Dog Shows

HOUSTON – Who let the dogs out?

NRG Center has been taken over by man's best friend. It's part of the 42nd annual Houston World Series of Dog Shows. 

The family-friendly event offered entertainment and education for people and their pets. There are performances and contests like flyball, canine musical freestyle, grooming, obedience and even dog-breed seminars. 

Check out some of the doggone cute photos from the event: