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Birthday girl: Lady Gaga sparkles in tiara

Lady Gaga celebrated her 26th birthday yesterday and after seeing her rather squashed cake, we were left expecting big things on the style front.

lady-gagaPhoto: Splash

So what did Gaga decide to wear on her big day? A bucket load of diamante, of course. She paired her embellished leather jacket with a matching tiara, because obviously, every girl is allowed to pretend they're a princess on their birthday.

We just have one question: where are the dog's diamonds?

Let us know how you rate Gaga's birthday look and see her complete fashion history in her style evolution below.

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