This little guy has a personalized birthday cake and party hats, and he just can't contain his excitement. Happy birthday, pal! We hope you got lots of treats and pets and walks as gifts! Dogs Gifs ...

Lucy the dog was given a special custom-made birthday cake, and in exchange, we've been given this glimpse at what unbridled joy looks like.

The dog-friendly cake mix kit included frosting, sprinkles and a candle to make the perfect birthday treat. After waiting patiently, Zeus was finally allowed to eat his cake alongside a canine friend.