Happy Pet Tails in Bell Blvd is a cute pet store with a thriving grooming department. I did have a problem there a few years ago - had a confirmed appointment and it was cancelled by the shop last minute. It wasn't the end of the world but my dog was in dire need of grooming and I was about to go out of town.
The grooming is good and prices for grooming services are affordable. I wouldn't recommend shopping in there though. Limited selection and overpriced. Better off at Pet Menu or Target.