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Katy Perry is officially a true California gurl.  One of the pop star's birthday wishes came true on Monday, after the Shakey's Pizza restaurant on Santa Monica Boulevard in Los Angeles put her name up on its marquee. 

The greeting was prompted by a tweet from Katy herself the day before saying it was "all she [wanted]" for her upcoming 30th birthday on Saturday. 

A rep for the pizza chain is telling TMZ that they are just getting started on her present.  The company plans to have every Shakey's location in the state change its marquees to read "Happy Birthday Katy Perry" for the rest of the week.

Photo: Getty Images

Katy thanked her hometown Santa Monica location for the special honor.  She also hinted that one of her friends was behind getting in touch with the restaurant. 

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