Dougie, the six-year-old Shih Tzu, has amassed more than 520,000 followers.
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His owner said she started the account "daily dougie" so as to not inundate her Facebook fans with all her dog photos.
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Now, Dougie's fan's cannot get enough of him.
"He is a very sweet dog," said Anita Rotenberg, Dougie's owner. "Not only is he cute, he has a great personality, and that really comes through in the account. Where people they feel they really know him and wish that they had a dog like that."
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Who is behind Dougie's sharp-looking coat of fur?
His groomer, Gina Grant from Napa, who found stardom and a lot of business herself.