World's oldest dog turns 147

The world's oldest dog has turned 147.

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21-year-old Chanel has reached a milestone in doggy years.

Chanel is now the world's oldest living dog with 21 human years equating to 147 dog years.

Chanel celebrated in style with a birthday party in New York.

The 147-year-old pup is having a few problems with her eyes and now wears sunglasses to help with her cataracts.